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iFrame src change event detection?
...ething like beforeLoad(to activate a loader)
– Andrea_86
Feb 20 '18 at 16:55
As indicated by @stacigh, it will fire th...
CSS selector for first element with class
...t all .red children of .home, including the first one,
* and give them a border.
*/
.home > .red {
border: 1px solid red;
}
... then "undo" the styles for elements with the class that come after the first one, using the general sibling combinator ~ in an overriding rule:
/*
* Select al...
Accessing inactive union member and undefined behavior?
... initial sequence (C99, §6.5.2.3/5):
One special guarantee is made in order to simplify the use of unions: if a union contains
several structures that share a common initial sequence (see below), and if the union
object currently contains one of these structures, it is permitted to inspect ...
Format string, integer with leading zeros
...
Use the format string "img_%03d.jpg" to get decimal numbers with three digits and leading zeros.
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Python regular expressions return true/false
... this is just to test against the return value. Because you're getting <_sre.SRE_Match object at ...> it means that this will evaluate to true. When the regular expression isn't matched you'll the return value None, which evaluates to false.
import re
if re.search("c", "abcdef"):
print "...
How to create a custom attribute in C#
...just data. However, using reflection, one can leverage those attributes in order to create functionality.
So, for instance, let's look at the Validation Application Block, from Microsoft's Enterprise Library. If you look at a code example, you'll see:
/// <summary>
/// blah blah code...
Difference between \b and \B in regex
...rk in regex is composed of letters (a– z and A– Z), digits, and the “_” [underscore]). Everything else is non word.
– Maralc
Aug 25 '15 at 1:31
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What should every developer know about databases? [closed]
...
Good question. The following are some thoughts in no particular order:
Normalization, to at least the second normal form, is essential.
Referential integrity is also essential, with proper cascading delete and update considerations.
Good and proper use of check constraints. Let the dat...
Resource interpreted as Document but transferred with MIME type application/zip
... @Joram et. al. - opening a tab for a download (using target '_blank') - does not solve the problem, it just transfers the "Resource intrepreted as Document" console warning message to a new tab. Sweeping under the rug is not s solution.
– colm.anseo
...
.NET Global exception handler in console application
...udge the quality of an answer. It seems to me that down-voting answers in order to "comment" on the person providing them is a much bigger abuse than down-voting answers based on the content of the answer itself regardless of whether that vote is accurate or not. Don't take/make it so personal.
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