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Python - Passing a function into another function
...objects in python. you can pass them around, include them in dicts, lists, etc. Just don't include the parenthesis after the function name. Example, for a function named myfunction: myfunction means the function itself, myfunction() means to call the function and get its return value instead.
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What does apply_filters(…) actually do in WordPress?
...eturns will convert to <p> tags, smiley faces will convert to icons, etc.
"the_content" is a hook, while "the_content()" is a function.
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Initialising mock objects - MockIto
...You declare the variable, and give it a value - no annotations, reflection etc.
– Karu
Jun 2 '15 at 4:14
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Generating random integer from a range
...uch better ways of getting something that is uniformly distributed and actually random.
– Mgetz
Sep 12 '13 at 19:14
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How to tell if rails is in production?
...th an inline ENV var. That said, if this was done then a script / alias / etc should live somewhere on-disk, which will include the RAILS_ENV var. One can search the disk for it, such as with ack
– New Alexandria
Jan 9 '13 at 3:29
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MySQL: Transactions vs Locking Tables
...is transferred. And the bank's account, into which they'll happily deposit all the service fees charged on the transaction. Given (as everyone knows these days) that banks are extraordinarily stupid, let's say their system works like this:
$balance = "GET BALANCE FROM your ACCOUNT";
if ($balance &l...
What does java.lang.Thread.interrupt() do?
...ead is interrupted before it blocks on Object.wait(..) or Thread.sleep(..) etc., this is equivalent to it being interrupted immediately upon blocking on that method, as the following example shows.
public class InterruptTest {
public static void main(String[] args) {
Thread.currentThre...
How to change MenuItem icon in ActionBar programmatically
...thod
menu.getItem(0).setIcon(ContextCompat.getDrawable(this, R.drawable.ic_launcher));
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How to create a loop in bash that is waiting for a webserver to respond?
...hile ! httping -qc1 http://myhost:myport ; do sleep 1 ; done
while/until etc is a personal pref.
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WPF: How to display an image at its original size?
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Here is a similar question. Generally setting Stretch="None" is enough.
It is also very important what DPI has the image set in metadata. It took me quite a while before figuring out that if the image's DPI is different from the monitor's DPI (usually 96), WPF will automat...