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c - What does a for loop without curly braces do?

Hi so basically my question is what does a for loop without any curly braces around it do? So from what I ... Or am I missing something here. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - DataGridView with Button Control - Delete Row

I want a Delete button at the end of each row of DataGridView and by clicking that I want to remove the desired row from ... = lProd; } ..... } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Linking g++ 4.8 to libstdc++

I downloaded and built gcc 4.8.1 on my desktop, running 64-bit Ubuntu 12.04. I built it out of ... rather than the system standard libraries? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Plotting the data with scrollable x (time/horizontal) axis on Linux

I want to plot data where x axis is long. If I plot the whole x axis then the plot shrinks and it ... 've opened the issue for mentioned error See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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xaml - How to do relativesource mode find ancestor (or equivalent) in UWP

I am trying to do something that one would think should be very simple (at least it is in WPF). I have a ... t find anything about it. Thank you See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jquery - How to update value of data in jqgrid

I'm trying to update a cell in jqgrid permanently upon loading. I know I can use setCell but that only ... getGridParam different in each case? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reflection - How do I create an instance from a string in C#?

I'm reading information from an XML which contains the type of an object that I need to instantiate along ... in the project properties. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Detecting client disconnect in tomcat servlet?

How can I detect that the client side of a tomcat servlet request has disconnected? I've read that I ... IOException if the client disconnects? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - cx_Freeze converted GUI-app (tkinter) crashes after pressing plot button

I've been dealing with this for days now and hope to find some help. I developed a GUI-application with ... Distribution with Python 3.4.3. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Why does calling std::string.c_str() on a function that returns a string not work?

I have the following code: std::string getString() { std::string str("hello"); return str; } int main() { ... , when is str destroyed, and why? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Why does Lua's length (#) operator return unexpected values?

Lua has the # operator to compute the "length" of a table being used as an array. I checked this operator ... ? Can someone explain the rules? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JFileChooser filters

I am putting a JFileChooser in my program, but that only takes images. So I decided to add filters ... (false); Any suggestions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to convert a Byte Array to an Int Array

I am reading a file by using: int len = (int)(new File(args[0]).length()); FileInputStream fis = new ... want to convert each byte to int. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to use google.maps.event.trigger(map, 'resize')

I am new to JS, and have found the answer to a previous question, which brought up a new question, which ... effect starting from version 3.32 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - nodeJS max header size in http.request

With nodeJS v0.10.28, is there a limit in the size/length of the header content in an http request? Let me ... ? what solution do I have? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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enumerate - How to make a continuous alphabetic list python (from a-z then from aa, ab, ac etc)

I would like to make a alphabetical list for an application similar to an excel worksheet. A user would ... one have the python equivalent? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to send a UDP Packet with Web RTC - Javascript?

How do you send a UDP Packet using Web RTC? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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hive - Use collect_list and collect_set in Spark SQL

According to the docs, the collect_set and collect_list functions should be available in Spark SQL. However, I cannot ... to fix this? Thanx! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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184 views

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Get Text From <option> Tag Using PHP

I want to get text inside the <option> tags as well as its value. Example <select name="make"> <option value="5" ... How can I do it using PHP? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Bootstrap print CSS removes background color

When I use bootstrap, it removes the background color from everthing when I try to print my page. Almost ... http://jsfiddle.net/7mtk7wrh/ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Create shortcut to console.log() in Chrome

Because I'm lazy, I created a function log that basically is just an abbreviation of console.log: function log ... console.log call is located? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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584 views

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ms access - [] brackets in sql statements

What do the brackets do in a sql statement? For example, in the statement: insert into table1 ([columnname1], ... table name is in brackets? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - numpy array dtype is coming as int32 by default in a windows 10 64 bit machine

I have installed Anaconda 3 64 bit on my laptop and written the following code in Spyder: import numpy.distutils. ... ? Any help is appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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calculate the number of html checkbox checked using jquery

how can i calculate the number of checkboxes that a user has checked using jquery? what i want to do is ... range display a warning message. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Migrate Jersey project to use Java 10 results in java.lang.IllegalArgumentException at jersey.repackaged.org.objectweb.asm.ClassReader.<init>

Previously project is on Tomcat 8 and JDK 8 it was Working Fine But when i migrated my project on Tomcat 9 and ... > <!-- https://mvnrepository.com/artifact/org.glassfish.jerse...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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C# Generic Operators

I am trying to implement a generic operator like so: class Foo { public static T operator +<T>(T a, T b) ... a way to make a generic operator? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Is a Linux executable "compatible" with OS X?

If you compile a program in say, C, on a Linux based platform, then port it to use the MacOS libraries, will it ... , but I'm not really sure. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jQuery 1.8 find event handlers

How to find event handlers on an object in jQuery 1.8+? var func = function(){ alert(1); }; var obj = $ ... ; // obj.data('events') is undefined See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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