大约有 48,000 项符合查询结果(耗时:0.0639秒) [XML]

https://stackoverflow.com/ques... 

How to get a DOM Element from a JQuery Selector

... ($(this).is(":checked")) { // do stuff } }); is more "jquery'ish" and (imho) more concise. What if you wanted to number them? $(":checkbox").each(function(i, elem) { $(elem).data("index", i); }); $(":checkbox").click(function() { if ($(this).is(":checked") && $(this).data("inde...
https://stackoverflow.com/ques... 

How can I save a screenshot directly to a file in Windows? [closed]

... You can code something pretty simple that will hook the PrintScreen and save the capture in a file. Here is something to start to capture and save to a file. You will just need to hook the key "Print screen". using System; using System.Drawing; using System.IO; using System.Drawing.Imaging;...
https://stackoverflow.com/ques... 

Custom views with Storyboard

...s (I call them widgets). These widgets consist basically of a MyWidget.h and a MyWidget.m file as well as a MyWidget.xib file, where the root element is a UIView and the MyWidget class is the File Owner of the UIView. In the init of this widget I do a loadNibNamed . ...
https://stackoverflow.com/ques... 

Handling the window closing event with WPF / MVVM Light Toolkit

I'd like to handle the Closing event (when a user clicks the upper right 'X' button) of my window in order to eventually display a confirm message or/and cancel the closing. ...
https://stackoverflow.com/ques... 

Are HTTPS URLs encrypted?

... Yes, the SSL connection is between the TCP layer and the HTTP layer. The client and server first establish a secure encrypted TCP connection (via the SSL/TLS protocol) and then the client will send the HTTP request (GET, POST, DELETE...) over that encrypted TCP connection....
https://stackoverflow.com/ques... 

How to add an extra column to a NumPy array

... I think a more straightforward solution and faster to boot is to do the following: import numpy as np N = 10 a = np.random.rand(N,N) b = np.zeros((N,N+1)) b[:,:-1] = a And timings: In [23]: N = 10 In [24]: a = np.random.rand(N,N) In [25]: %timeit b = np.hstac...
https://stackoverflow.com/ques... 

Which is the correct shorthand - “regex” or “regexp” [closed]

...ngines don't support the question mark but they suck ;-) Anyway Perl does, and it's the closest thing to a "standard" for regular expression syntax. – David Z Jun 17 '10 at 1:27 6 ...
https://stackoverflow.com/ques... 

How do I prevent node.js from crashing? try-catch doesn't work

...: Note that uncaughtException is a very crude mechanism for exception handling and may be removed in the future PM2 First of all, I would highly recommend installing PM2 for Node.js. PM2 is really great at handling crash and monitoring Node apps as well as load balancing. PM2 immediately star...
https://stackoverflow.com/ques... 

Difference between web reference and service reference?

What is the difference between web reference and service reference in WCF? Which is preferable in WCF? 5 Answers ...
https://stackoverflow.com/ques... 

Differences between “java -cp” and “java -jar”?

...he difference between running a Java application with java -cp CLASSPATH and java -jar JAR_FILE_PATH ? Is one of them preferred to the other for running a Java application? I mean which one of these ways is more expensive for JVM (according to their machine resources usage)? ...