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Bash variable scope
...lank? I expect that XCODE is incremented in the while loop to a value of 1:
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Retrieve filename from file descriptor in C
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122
You can use readlink on /proc/self/fd/NNN where NNN is the file descriptor. This will give you...
Receive JSON POST with PHP
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501
Try;
$data = json_decode(file_get_contents('php://input'), true);
print_r($data);
echo $data["o...
Make a UIButton programmatically in Swift
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Active
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Yii2 data provider default sorting
In Yii 1.1 this code works for default sorting:
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Java: difference between strong/soft/weak/phantom reference
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143
Java provides two different types/classes of Reference Objects: strong and weak. Weak Referenc...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...RT INTO testtable (id, somedata)
SELECT 2, 'blah'
WHERE NOT EXISTS (SELECT 1 FROM testtable WHERE testtable.id = 2);
COMMIT;
then when two run at once there are several failure modes. One is the already discussed issue with an update re-check. Another is where both UPDATE at the same time, matchin...
What's the pythonic way to use getters and setters?
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715
Try this: Python Property
The sample code is:
class C(object):
def __init__(self):
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Creating stored procedure and SQLite?
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221
SQLite has had to sacrifice other characteristics that some people find useful, such as high ...
What is PAGEIOLATCH_SH wait type in SQL Server?
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117
From Microsoft documentation:
PAGEIOLATCH_SH
Occurs when a task is waiting on a latch for a b...