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php - Regular expression pattern to match URL with or without http://www

I'm not very good at regular expressions at all. I've been using a lot of framework code to date, but I ... like www.example.com/etcetc and example.com/etcetc. Question&Answers:os...

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

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c# - Is there a way to indefinitely pause a thread?

I've been working on a web crawling .NET app in my free time, and one of the features of this app that I wanted ... and it would be good to know just in case. Question&Answers:os...

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

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java - ANDROID: How to gain root access in an Android application?

I'm developing my first Android application, and I'm curious if there are any "standard" ways for ... other ways of calling privileged instructions from Java? Question&Answers:os...

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

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javascript - How can I take advantage of callback functions for asynchronous XMLHttpRequest?

I'm currently writing JavaScript and confusing about callback. I've found it's not kind of built-in ... sample code to take advantage of callback above? Question&Answers:os...

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

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Gcc error: gcc: error trying to exec 'cc1': execvp: No such file or directory

I have been successfully using gcc on Linux Mint 12. Now I am getting an error. I have recently been doing some ... 'cc1': execvp: No such file or directory Question&Answers:os...

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

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Why does JavaScript map function return undefined?

My code var arr = ['a','b',1]; var results = arr.map(function(item){ if(typeof item ==='string'){ ... want undefined in the results array. How can I do it? Question&Answers:os...

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

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typescript - WARNING: sanitizing unsafe style value url

I want to set the background image of a DIV in a Component Template in my Angular 2 app. However I keep getting ... ... can anyone see what I am doing wrong? Question&Answers:os...

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

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How can I check if a key is pressed during the click event with jQuery?

I would like to catch a click event with jQuery and be able to tell if a key was pressed at the same time so I ... all or how can it be done if it is possible? Question&Answers:os...

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

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External CSS vs inline style performance difference?

A friend of mine said that using <div style=""></div> instead of compressed css file put as link href ... section gives some performance boost. Is that true? Question&Answers:os...

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

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How does Java's System.exit() work with try/catch/finally blocks?

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

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c# - Get size of file on disk

var length = new System.IO.FileInfo(path).Length; This gives the logical size of the file, not the size ... A compressed file A sparse file A fragmented file Question&Answers:os...

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

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sql - How can multiple rows be concatenated into one in Oracle without creating a stored procedure?

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

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r - Plotting lines and the group aesthetic in ggplot2

This question follows on from an earlier question and its answers. First some toy data: df = read.table(text = ... needed when the x-axis variable is numeric? Question&Answers:os...

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

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Get Selected HTML in browser via Javascript

I have a requirement for my web app to allow the user to "Print Selected Only". In other words, a user ... going with a js library called Rangy for this. Question&Answers:os...

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

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Javascript roundoff number to nearest 0.5

Can someone give me an idea how can i round off a number to the nearest 0.5. I have to scale elements in ... place or none. How can i accomplish this job? Question&Answers:os...

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

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How can I open a website in my web browser using Python?

I want to open a website in my local computer's web browser (Chrome or Internet Explorer) using Python. open("http: ... there a module that can do this for me? Question&Answers:os...

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

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112 views

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Authorize attribute in ASP.NET MVC

I am having a hard time to understand real use of [Authorize] attribute in ASP.NET MVC. As per the concept goes ... attribute, then what is the real need of it? Question&Answers:os...

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

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635 views

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coding style - Opaque C structs: various ways to declare them

I've seen both of the following two styles of declaring opaque types in C APIs. What are the various ways to declare opaque ... c struct _foo { int x; int y; }; Question&Answers:os...

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

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180 views

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Is there any way to integrate Eclipse with Gradle in Android project?

I have Android project with standard build.gradle (also I added android annotations). Also I installed Gradle ... works with Gradle just like with Maven. Question&Answers:os...

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

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c# - Create Bitmap from a byte array of pixel data

This question is about how to read/write, allocate and manage the pixel data of a Bitmap. Here is an example ... trying to read/write to its memory location. Question&Answers:os...

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

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253 views

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iphone - instruments with iOS: Why does Memory Monitor disagree with Allocations?

As can been seen in this screen shot from instruments, Allocations thinks my application (Ongo) is only using ... it's exhausting the system resources. Thanks Question&Answers:os...

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

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309 views

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javascript - Understanding XMLHttpRequest over CORS (responseText)

For a project I'm looking at various HTML5 and Javascript elements and security around them and I'm trying to get my ... ); xmlhttp.send(); } Thanks in advance. Question&Answers:os...

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

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user interface - How to target all controls (WPF Styles)

Can I specify a style that applies to all elements? I tried <Style TargetType="Control"> <Setter Property="Margin" Value="0,5" /> </Style> But it did nothing Question&Answers:os...

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

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316 views

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unobtrusive javascript - So what if custom HTML attributes aren't valid XHTML?

I know that is the reason some people don't approve of them, but does it really matter? I think that the ... And wouldn't a custom DTD resolve them anyway? Question&Answers:os...

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

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html - Pure javascript method to wrap content in a div

I want to wrap all the nodes within the #slidesContainer div with JavaScript. I know it is easily done ... within another div with id="slideInner". Question&Answers:os...

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

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684 views

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excel - How to use workbook.saveas with automatic Overwrite

In this section of code, Excel ALWAYS prompts: "File already exists, do you want to overwrite?" Application. ... existing file if I have DisplayAlerts = False? Question&Answers:os...

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

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211 views

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How to remove ^[, and all of the escape sequences in a file using linux shell scripting

We want to remove ^[, and all of the escape sequences. sed is not working and is giving us this error: $ ... -e expression #1, char 7: unterminated `s' command Question&Answers:os...

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

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264 views

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algorithm - Fast way to calculate n! mod m where m is prime?

I was curious if there was a good way to do this. My current code is something like: def factorialMod(n, ... I create a recursive, memoized function in C++? Question&Answers:os...

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

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