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What is the advantage of using heredoc in PHP? [closed]
...s much cleaner to me and it is really useful for multi-line strings and avoiding quoting issues. Back in the day I used to use them to construct SQL queries:
$sql = <<<SQL
select *
from $tablename
where id in [$order_ids_list]
and product_name = "widgets"
SQL;
To me this has a low...
Get the value of checked checkbox?
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@Mageek it's bad practice to add same id on multiple elements.
– Engineer
Jul 22 '12 at 11:11
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Ways to save enums in database
...ue of the enumeration is meaningless:
SELECT Suit FROM Cards
ORDER BY SuitID; --where SuitID is integer value(4,1,3,2,0)
Suit
------
Spade
Heart
Diamond
Club
Unknown
That's not the order we want - we want them in enumeration order:
SELECT Suit FROM Cards
ORDER BY CASE SuitID OF
WHEN 4 THEN ...
Getting the name of a child class in the parent class (static context)
... simplicity in mind; everything goes fine except that I got stuck by a stupid inheritance limitation. Please consider the code below:
...
How do I test if a string is empty in Objective-C?
...
You can check if [string length] == 0. This will check if it's a valid but empty string (@"") as well as if it's nil, since calling length on nil will also return 0.
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Prevent Bootstrap Modal from disappearing when clicking outside or pressing escape? [duplicate]
...ndow, and would like to prevent the user from closing it when clicking outside of the modal or when pressing escape. Instead, I want it to be closed when the user presses the finish button. How could I achieve this scenario?
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How to make the corners of a button round?
... corners of a button round. Is there an easy way to achieve this in Android?
13 Answers
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Can you change a path without reloading the controller in AngularJS?
...answers it doesn't look good. I'd like to ask with this sample code in consideration...
12 Answers
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Check if property has attribute
...credit to Aaronaught):
var t = typeof(YourClass);
var pi = t.GetProperty("Id");
var hasIsIdentity = Attribute.IsDefined(pi, typeof(IsIdentity));
If you need to retrieve attribute properties then
var t = typeof(YourClass);
var pi = t.GetProperty("Id");
var attr = (IsIdentity[])pi.GetCustomAttribu...
How to check if a process id (PID) exists
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To check for the existence of a process, use
kill -0 $pid
But just as @unwind said, if you're going to kill it anyway, just
kill $pid
or you will have a race condition.
If you want to ignore the text output of kill and do something based on the exit code, you can
if ! kill...