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Node.js check if file exists
...PI doc says how existsSync work:
Test whether or not the given path exists by checking with the file system.
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How do I detect if I am in release or debug mode?
...s how you wish to distinguish a "debug" build from a "release" build, then by definition, that's the best solution. However, bear in mind that going forward, the debuggable flag is really an independent concept from what Gradle/Android Studio consider a "debug" build to be. Any build type can elect ...
Passing $_POST values with cURL
...ray('name' => 'Ross', 'php_master' => true);
// You can POST a file by prefixing with an @ (for <input type="file"> fields)
$data['file'] = '@/home/user/world.jpg';
$handle = curl_init($url);
curl_setopt($handle, CURLOPT_POST, true);
curl_setopt($handle, CURLOPT_POSTFIELDS, $data);
cur...
Difference between window.location.href=window.location.href and window.location.reload()
...cation.href=window.location.href does not include the POST data.
As noted by @W3Max in the comments below, window.location.href=window.location.href will not reload the page if there's an anchor (#) in the URL - You must use window.location.reload() in this case.
Also, as noted by @Mic below, wind...
Getting the index of the returned max or min item using max()/min() on a list
... lists for a minimax algorithm, and I need the index of the value returned by max() or min() . In other words, I need to know which move produced the max (at a first player's turn) or min (second player) value.
...
Java: Difference between PrintStream and PrintWriter
...e streams, with the primary difference being a OutputStream is a stream of bytes while a Writer is a stream of characters.
If an OutputStream deals with bytes, what about PrintStream.print(String)? It converts chars to bytes using the default platform encoding. Using the default encoding is genera...
Detecting when user scrolls to bottom of div with jQuery
...t. And I would like to add my two cents.
var element = document.getElementById('flux');
if (element.scrollHeight - element.scrollTop === element.clientHeight)
{
// element is at the end of its scroll, load more content
}
Source: https://developer.mozilla.org/en-US/docs/Web/API/Ele...
Nginx — static file serving confusion with root & alias
...iling slash is mandatory per Nginx documentation, but a common observation by people here and elsewhere seems to indicate that it is.
A few more places have discussed this, not conclusively though.
https://serverfault.com/questions/376162/how-can-i-create-a-location-in-nginx-that-works-with-and-wi...
How to prevent blank xmlns attributes in output from .NET's XmlDocument?
...
I've solved the problem by using the Factory Pattern. I created a factory for XElement objects. As parameter for the instantiation of the factory I've specified a XNamespace object. So, everytime a XElement is created by the factory the namespace wi...
Selectors in Objective-C?
...tifier that replaces the name when the source code is compiled. A selector by itself doesn’t do anything. It simply identifies a method. The only thing that makes the selector method name different from a plain string is that the compiler makes sure that selectors are unique. What makes a selector...