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What is meant by the term “hook” in programming?
...For example, a function may be written to "hook" into the login process in order to execute a Captcha function before continuing on to the normal login process.
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Sort hash by key, return hash in Ruby
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Note: Ruby >= 1.9.2 has an order-preserving hash: the order keys are inserted will be the order they are enumerated. The below applies to older versions or to backward-compatible code.
There is no concept of a sorted hash. So no, what you're doing is...
Sorting a Python list by two fields
...ove, this is the best (only?) way to do multiple sorts with different sort orders. Perhaps highlight that. Also, your text does not indicate that you sorted descending on second element.
– PeterVermont
Jun 12 '15 at 14:25
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Google Maps V3: How to disable “street view”?
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disableDefaultUI: true is not necessary in order to remove only the street view button.
– Eido95
Jun 4 '18 at 13:10
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MySQL get row position in ORDER BY
...sition
FROM TABLE t
JOIN (SELECT @rownum := 0) r
ORDER BY t.name) x
WHERE x.name = 'Beta'
...to get a unique position value. This:
SELECT t.id,
(SELECT COUNT(*)
FROM TABLE x
WHERE x.name <= t.name) AS position,
t.name
FROM TABLE...
Catch Ctrl-C in C
...p a CtrlC handler, but as always there are rules that need to be obeyed in order not to break something else. Please read the comments below.
The sample code from above:
#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
void INThandler(int);
int main(void)
{
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How to make lists contain only distinct element in Python? [duplicate]
...t(set(my_list))
One disadvantage with this is that it won't preserve the order. You may also want to consider if a set would be a better data structure to use in the first place, instead of a list.
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Cross-browser testing: All major browsers on ONE machine
...ptional: Disable unnecessary services via Start > Run > services.msc
Order the rows by column Startup Type, and switch all "Automatic" services to "manual", according to the image. Whenever you want to install a MSI package, run net start msiServer ("Windows Installer"):
Optional: Disable Des...
Validating IPv4 addresses with regexp
...ress. Anyone that wishes to edit this answer, please comment first here in order to avoid problems like these - I usually reply pretty fast. Always looking for a shorter/better solution of course.
– Danail Gabenski
Dec 25 '19 at 6:16
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Reset CSS display property to default value
...u have to actually append the generated element to the <body> tag in order to get the computed style, at least in Chrome.
– dimplex
Jan 7 '17 at 16:04
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