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What does $$ (dollar dollar or double dollar) mean in PHP?
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EDIT after @Jhonny's comment :
Doing a $$$ ?
Well, the best way to know is to try ;-)
So, let's try this portion of code :
$real_variable = 'test';
$name = 'real_variable';
$name_of_name = 'name';
echo $name_of_name . '<br />';
echo $$name_of_name . '<br />';
echo $$$name_of_na...
How do you access a website running on localhost from iPhone browser
...he same wireless network. How do I access localhost from the iPhone? Right now I get a 404 error.
26 Answers
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startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult
...tResult(Activity.RESULT_OK);
getActivity().finish();
Now Getting Result to Fragment with
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == Activity.RESULT_OK &...
Converting string to title case
...ase, such as an acronym" - you should probably just ToLower() it first (I know this is old, but just in case someone else stumbles on it and wonders why!)
– nizmow
Jan 13 '14 at 0:27
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Reducing Django Memory Usage. Low hanging fruit?
...vid Cramer at curse.com has posted some charts (which I can't seem to find now unfortunately) showing the drastic reduction in cpu and memory usage after they switched to mod_wsgi on that high traffic site. Several of the django devs have switched. Seriously, it's a no-brainer :)
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Why is it bad style to `rescue Exception => e` in Ruby?
...thing else".
Generally, don't do that, except in special cases where you know you don't need to worry. One example:
debugger rescue nil
The debugger function is a rather nice way to set a breakpoint in your code, but if running outside a debugger, and Rails, it raises an exception. Now theoret...
Add a property to a JavaScript object using a variable as the name?
...hen we've had ES2016 and soon we'll have ES2017, they're on a yearly cycle now.
– T.J. Crowder
Apr 18 '17 at 16:06
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npm install error - MSB3428: Could not load the Visual C++ component “VCBuild.exe”
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I know it's a very old question, but is the first in my google search and after some time I got how to solve this.
find node on your windows with
$ npm install -g which
$ which node
after cd into the directory, inside the di...
Javascript Equivalent to PHP Explode()
...vascript, you'll get: '1.2.3.4'.split('.',3) === ['1', '2', '3']. Anyone know how to easily replicate PHP's method?
– Nathan J.B.
Jan 24 '13 at 4:02
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Android Studio Collapse definitions and methods
...open Settings (File -> Settings) then select Keymap under IDE Settings. Now type folding into the search box (top right). Setup the keyboard shortcut for the various folding actions :)
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