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How to loop through key/value object in Javascript? [duplicate]
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Beware of properties inherited from the object's prototype (which could happen if you're including any libraries on your page, such as older versions of Prototype). You can check for this by using the object's hasOwnProperty() method. This is generally a g...
UNIX export command [closed]
...you execute a program the child program inherits its environment variables from the parent. For instance if $HOME is set to /root in the parent then the child's $HOME variable is also set to /root.
This only applies to environment variable that are marked for export. If you set a variable at the co...
Is local static variable initialization thread-safe in C++11? [duplicate]
...y suggestion that static initialization would somehow provide an exemption from that rule, so I didn't think it worth calling out specifically.
– Kerrek SB
Oct 2 '14 at 10:44
2
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How to get file size in Java [duplicate]
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Use the length() method in the File class. From the javadocs:
Returns the length of the file denoted by this abstract pathname. The return value is unspecified if this pathname denotes a directory.
For the second part of the question, straight from File's javad...
Is it fine if first response is private with AppCache (Symfony2)?
...k and set cache headers to public and max age(some value).
//code snippet from app.php
$response = $kernel->handle($request);
$response->headers->set('Cache-Control', '');
$response->setPublic();
$response->setMaxAge(86400);
$response->send();
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Custom global Application class breaks with “android.app.Application cannot be cast to”
...un:
Disable an Instant run
Clean and rebuild the project
Remove the app from device and install it again without Instant run
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Why are my balls disappearing? [closed]
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Your error comes from this line initially:
var direction1 = Math.atan2(ball1.velocitY, ball1.velocityX);
You have ball1.velocitY (which is undefined) instead of ball1.velocityY. So Math.atan2 is giving you NaN, and that NaN value is propag...
Add Favicon to Website [duplicate]
...ing:
Favicon on Wikipedia
Favicon Generator
How to add a Favicon by W3C (from 2005 though)
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How to get current PHP page name [duplicate]
...ath, but basename(__FILE__) should give you the filename that it is called from.
So
if(basename(__FILE__) == 'file_name.php') {
//Hide
} else {
//show
}
should do it.
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How to display the default iOS 6 share action sheet with available share options?
... UIPopoverController or it'll crash on present…. I've had two rejections from three on the edit so far, so assuming it's rejected, perhaps you could see if you want to add the edit yourself. Or not :-)
– Benjohn
Nov 10 '14 at 17:16
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