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Why is it not possible to extend annotations in Java?
...nce in Java annotations, just as Java classes. I think it would be very useful.
8 Answers
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How to compare Unicode characters that “look alike”?
...de has a lot of compatibility characters brought over from older character sets (like ISO 8859-1), to make conversion from those character sets easier. Back when character sets were constrained to 8 bits, they would include a few glyphs (like some Greek letters) for the most common math and scientif...
Tracking the script execution time in PHP
PHP must track the amount of CPU time a particular script has used in order to enforce the max_execution_time limit.
18 A...
How can I enable the Windows Server Task Scheduler History recording?
... the Task Scheduler "history" mode via the Windows command line:
wevtutil set-log Microsoft-Windows-TaskScheduler/Operational /enabled:true
To check the current state:
wevtutil get-log Microsoft-Windows-TaskScheduler/Operational
For the keystroke-averse, here are the slightly abbreviated versi...
String formatting named parameters?
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In Python 2.6+ and Python 3, you might choose to use the newer string formatting method.
print('<a href="{0}">{0}</a>'.format(my_url))
which saves you from repeating the argument, or
print('<a href="{url}">{url}</a>'.format(url=my_url))
if you want named parameters...
Reliable way for a Bash script to get the full path to itself [duplicate]
I have a Bash script that needs to know its full path. I'm trying to find a broadly-compatible way of doing that without ending up with relative or funky-looking paths. I only need to support Bash, not sh, csh, etc.
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SQL to determine minimum sequential days of access?
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Okay here's my serious answer:
DECLARE @days int
DECLARE @seconds bigint
SET @days = 30
SET @seconds = (@days * 24 * 60 * 60) - 1
SELECT DISTINCT UserId
FROM (
SELECT uh1.UserId, Count(uh1.Id) as Conseq
FROM UserHistory uh1
INNER JOIN UserHistory uh2 ON uh2.CreationDate
BETWEE...
How to get exit code when using Python subprocess communicate method?
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Popen.communicate will set the returncode attribute when it's done(*). Here's the relevant documentation section:
Popen.returncode
The child return code, set by poll() and wait() (and indirectly by communicate()).
A None value indicates that...
Is Safari on iOS 6 caching $.ajax results?
...he Safari WebView. Our $.ajax calls are POST methods and we have cache set to false {cache:false} , but still this is happening. We tried manually adding a TimeStamp to the headers but it did not help.
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CSS: Set a background color which is 50% of the width of the window
...ge that is "split in two"; two colors on opposite sides (seemingly done by setting a default background-color on the body tag, then applying another onto a div that stretches the entire width of the window).
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