Recent questions tagged loops

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loops - Do iterators return a reference to items or the value of the items in Rust?

If I have a vector: let mut v = vec![0, 1, 2, 3, 4, 5]; And I iterate through it: for &item in v. ... the details seem to show it's a value??? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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loops - bash looping and extracting of the fragment of txt file

I am dealing with the analysis of big number of dlg text files located within the workdir. Each file has a ... selected parts of the table. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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811 views

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loops - LESS mixin recursion error to convert pixels to rems

I am trying to make a mixin to propery convert pixels to relative ems. I would like it to be flexible enough to ... ; } .for() mixin found here See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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683 views

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loops - Python - Optimisation of Perfect Number search

p = [] for x in range(1, 50000000): count = 0 for y in range(1, x // 2 + 1): if (x % y == 0): ... go over half (not going to be a multiple of x) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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838 views

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loops - python "TypeError: 'numpy.float64' object cannot be interpreted as an integer"

import numpy as np for i in range(len(x)): if (np.floor(N[i]/2)==N[i]/2): for j in ... solving this problem? Running these codes successfully? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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910 views

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loops - How do i run a php script every second?

I am currently writing a online game. Now I have to check if an event happen (checking timestamp in database) ... to run a script every second? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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693 views

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loops - How to output to console in real time in Javascript?

In Javascript, when you write a piece of code like the one below, it seems like the computer will first complete the ... ) { console.log(i); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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738 views

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loops - Leave one out cross validation algorithm in matlab

Do someone know how to perform Leave one out cross validation in MATLAB?? I need LOOCV algorithm for data classification. ... .. 'D: ocancer'); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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loops - Use variables for object name in Delphi

I'm trying to change the caption of many labels using regular way: form1.label1.caption := '1'; form1. ... parameters (In this case caption)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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587 views

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loops - How do I find all possible subsets of a set iteratively in R?

So I know that the following command would store all possible combinations of a desired length y in a list ... operation that uses combination } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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666 views

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loops - Why "if-else-break" breaks in python?

I am trying to use if-else expression which is supposed to break the loop if the if condition fails, but ... command after the else keyword? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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771 views

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loops - Simple iteration through array with proc sql in SAS

I just want to loop through a list and run a procedure using the 'i'th element in the list, and make some ... item=itemlist(i); end; quit; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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783 views

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loops - Bash wait for process start

I'm trying to say to Bash , wait for a Process Start / Begin. I'm trying by this way for example: notepad ... wait Process Start or Begin ??? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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790 views

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loops - Difference between foreach and forelse in Laravel

What's the basic difference between Laravel's foreach and forelse? How does forelse work? I know that foreach ... your provided else condition. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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759 views

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loops - What is the difference between for..in and for each..in in javascript?

What is the difference between for..in and for each..in statements in javascript? Are there subtle difference that ... a different name for it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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646 views

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loops - Can you enumerate a collection in C# out of order?

Is there a way to use a foreach loop to iterate through a collection backwards or in a completely random order? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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529 views

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loops - Can you enumerate a collection in C# out of order?

Is there a way to use a foreach loop to iterate through a collection backwards or in a completely random order? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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867 views

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loops - Call a Javascript function every x seconds and stop after y seconds?

I want to call a Javascript function after clicking a button, make it loop every 100 milliseconds for 1,5 ... be here wasting your time. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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942 views

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loops - What does while(*pointer) means in C?

When I recently look at some passage about C pointers, I found something interesting. What it said is, a code ... is, what does *pointer means? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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677 views

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loops - Is it possible to exit a for before time in C++, if an ending condition is reached?

I want to know if it is possible to end a for loop in C++ when an ending condition (different from the ... use a while loop? Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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loops - How to make Matplotlib saved gif looping

Environment: Matplotlib v2.2.2 Code: import numpy as np import matplotlib.pyplot as plt import matplotlib.animation as ... : It only play once. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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869 views

1 answer

loops - How to make Matplotlib saved gif looping

Environment: Matplotlib v2.2.2 Code: import numpy as np import matplotlib.pyplot as plt import matplotlib.animation as ... : It only play once. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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738 views

1 answer

loops - What does while(*pointer) means in C?

When I recently look at some passage about C pointers, I found something interesting. What it said is, a code ... is, what does *pointer means? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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561 views

1 answer

loops - Is it possible to exit a for before time in C++, if an ending condition is reached?

I want to know if it is possible to end a for loop in C++ when an ending condition (different from the ... use a while loop? Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

792 views

1 answer

loops - How to make Matplotlib saved gif looping

Environment: Matplotlib v2.2.2 Code: import numpy as np import matplotlib.pyplot as plt import matplotlib.animation as ... : It only play once. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

792 views

1 answer

loops - Javascript: Forloop Difference between i++ and (i+1)

I was building a javascript for loop and I want to compare the value of an array to the next value in the ... sortedLetters[i++]) return true; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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754 views

1 answer

loops - Create a variable that identifies the original data.frame after rbind command in R

I am relatively new to R and I would like to know how can I create a variable (number sequence) that identifies ... , it should work... Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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731 views

1 answer

loops - Run command every second in Bash?

I want to write some image downloader and assign it on bash. What I have and what I need: I have: Command, ... who knows what should I to do? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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