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java - How do I protect the ports that chromedriver use?

Normally when I run chromedriver I always get this output which I'm sure everyone gets when running chromedriver ... using only protected ports? See Question&Answers more detail:os...

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

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struts2 - How to integrate Struts 2 with Tiles 3

How do we integrate Struts 2 with Tiles 3? The struts2-tiles-plugin currently (2.3.4.1) works with an ... to help others with their integration. See Question&Answers more detail:os...

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

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Does C++ allow default return types for functions?

In C the following horror is valid: myFunc() { return 42; // return type defaults to int. } But, what about in ... this is an error in C++. See Question&Answers more detail:os...

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

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Android app enable NFC only for one Activity

Is it possible to enable NFC for only one activity in android for an NFC enabled application? I've read this, ... > </application> </manifest> See Question&Answers more detail:os...

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

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Aggregate data in R

I'm looking for a dead simple example on how to use aggregate and calculate means in R. Say, I have the ... this, cast() or aggregate()? See Question&Answers more detail:os...

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

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Reading comment lines correctly in an input file using Fortran 90

It is my understanding that Fortran, when reading data from file, will skip lines starting with and asterisk (*) ... turn up anything on google. See Question&Answers more detail:os...

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

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r - Merge dataframes of different sizes

I have two data frames d1 and d2 respectively as: x y z 10 10 7 10 12 6 11 10 8 11 12 2 12 10 ... trivial question, I could not get the answer. 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 Apply Custom Filters in a Camera [Surfaceview Preview]...?

Guys i am developing Camera Application and this is my first android Application. below i am Adding My App Screenshot ... ..): Thanks in advance 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 - nested list comprehensions

I tried to use the value of an outer list comprehension in an inner one: [ x for x in range(y) for y in ... figure out) to achieve what I want? 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 - Field.get(obj) returns all nulls on injected CDI managed beans, while manually invoking getters return correct values

I am trying to access the values of some fields from the backing bean of a JSF page via reflection. The ... in serious problems. 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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postgresql - Buffers (Circle) in PostGIS

I have to extend the normal GeoJSON format to add some unsopported polygon like Circle. { "type": "Circle", ... that solution doesn't works. 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 - `this` is undefined in Dev Tools when using arrow function

I'm using arrow functions and I'm debugging with Chrome and Firefox Dev Tool. I am getting, this as ... loader (es5 preset) typescript-loader 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# - MSTest cannot find the assembly

I was using MSTest and i use command mstest /testsettings:local.Testsetting /testcontainer:folderobjDebugest.dll and this ... can run well. 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 - Re.match() returns always none

I feel kind of stupid but it does not work: import re a = " ebrj wjrbw erjwek wekjb rjERJK ABB RAEJKE BWE ... None as the result of the match. See Question&Answers more detail:os...

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

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Iterate over collection two at a time in Swift

Say I have an array [1, 2, 3, 4, 5]. How can I iterate two at a time? Iteration 1: (1, 2) Iteration 2: (3, 4) Iteration 3: (5, nil) 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 create class methods that conform to a protocol shared between Swift and Objective-C?

I've been learning Swift lately. I decided to write a hybrid Swift/Objective-C app that did ... called SwiftPerformanceBenchmark. (link) See Question&Answers more detail:os...

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

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r - Replace NA values by row means

I want to replace my NA values from a matrix acquired by : read.table( ) Those values should be the mean of the ... 1.43 2 1 2 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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java - How to perform Mouse Wheel scrolling over HTML5 Canvas in Selenium?

I am working on a GWT Application (similar to Paint). In this, I have an HTML5 Canvas in which there is a ... can be done to fix this issue? 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 - Ajax Form submit with preventDefault

I have a normal HTML form in which it is supposed to prevent default form submit and post the values by Ajax. It is ... </form> </body> </html> 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 - How to transform string of space-separated key,value pairs of unique words into a dict

I've got a string with words that are separated by spaces (all words are unique, no duplicates). I turn ... I only iterate through 96 items. 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 implement a pseudo blocking async queue in JS/TS?

So here's an oxymoron: I want to create an asynchronous blocking queue in javascript/typescript (if you can implement ... (); } Any ideas? 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++ - Can we rely on the reduce-capacity trick?

Is it actually guaranteed anywhere that the following reduce-capacity trick will "work"? int main() { std::string ... making this kind of moot.) See Question&Answers more detail:os...

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

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assembly - Weird performance effects from nearby dependent stores in a pointer-chasing loop on IvyBridge. Adding an extra load speeds it up?

First I have the below setup on an IvyBridge, I will insert measuring payload code in the commented location. ... resource_stalls.any (66.64%) See Question&Answers more detail:os...

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

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ElementClickInterceptedException: Message: element click intercepted: Element <label> is not clickable with Selenium and Python

I am trying to click on the "All Topics" and "All States" CheckBoxes then search the results. When I run the ... the one I am trying to click. 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++ - How does __builtin___clear_cache work?

Going through the gcc documentation, I stumbled into the builtin function __builtin___clear_cache. - Built-in Function: void ... and end to use? See Question&Answers more detail:os...

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

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433 views

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Spark DataFrame Schema Nullable Fields

I wrote the following code in both Scala & Python, however the DataFrame that is returned doesn't appear to ... non-nullable in my schema? See Question&Answers more detail:os...

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

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265 views

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java - How to sort JTable in shortest way?

I was searching for Sorting in JTable and I referred many articles, but couldn't get the easiest ... DefaultTableModel(rowData, columnNames); See Question&Answers more detail:os...

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

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compiler construction - What are C# lambda's compiled into? A stackframe, an instance of an anonymous type, or?

What are C# lambda's compiled into? A stackframe, an instance of an anonymous type, or? I've read this ... resulting outputs from the compile. See Question&Answers more detail:os...

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

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