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How can I check if a URL exists via PHP?
How do I check if a URL exists (not 404) in PHP?
22 Answers
22
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live output from subprocess command
...ation, I use subprocess.Popen to run the code, collect the output from stdout and stderr into a subprocess.PIPE --- then I can print (and save to a log-file) the output information, and check for any errors. The problem is, I have no idea how the code is progressing. If I run it directly from ...
How can I backup a remote SQL Server database to a local drive?
... "Types of data to script" to "Schema and data" value
In the next four windows, hit 'select all' and then next,
Choose to script to a new query window
Once it's done its thing, you'll have a backup script ready in front of you. Create a new local (or remote) database, and change the first 'USE' ...
When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
...used whenever you want to work with the result of the process, i.e. as the documentation says, when the deferred object is resolved or rejected. It is the same as using .done() or .fail().
You'd use .pipe() to (pre)filter the result somehow. The return value of a callback to .pipe() will be passed ...
What is the best comment in source code you have ever encountered? [closed]
...e releasing the code). Here's one I'm particulary fond of, placed far, far down a poorly-designed 'God Object':
/**
* For the brave souls who get this far: You are the chosen ones,
* the valiant knights of programming who toil away, without rest,
* fixing our most awful code. To you, true saviors, ...
Overriding a JavaScript function while referencing the original
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You could do something like this:
var a = (function() {
var original_a = a;
if (condition) {
return function() {
new_code();
original_a();
}
} else {
return function() {
...
Save An Image To Application Documents Folder From UIView On IOS
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It's all good, man. Don't harm yourself or others.
You probably don't want to store these images in Core Data, since that can impact performance if the data set grows too large. Better to write the images to files.
NSData *pngData = UIImagePNG...
fatal: The current branch master has no upstream branch
...the push, but, independently of that push issue (which I explained in "Why do I need to explicitly push a new branch?": git push -u origin master or git push -u origin --all), you need now to resolve the authentication issue.
That depends on your url (ssh as in 'git@github.com/yourRepo, or https as...
How to make custom error pages work in ASP.NET MVC 4
I want a custom error page shown for 500, 404 and 403. Here's what I have done:
11 Answers
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Do you need break in switch when return is used?
...result(...); in each case will make your code much more readable.
Lastly, don't forget to add the default case. If you think your code will never reach the default case then you could use the assert function, because you can never be sure.
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