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sql ORDER BY multiple values in specific order?
...'f' THEN 1
WHEN 'p' THEN 2
WHEN 'i' THEN 3
WHEN 'a' THEN 4
ELSE 5 --needed only is no IN clause above. eg when = 'b'
END, id
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iOS application: how to clear notifications?
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answered Dec 30 '11 at 18:42
Patrick PeriniPatrick Perini
21.8k1111 gold badges5555 silver badges8787 bronze badges
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PostgreSQL error 'Could not connect to server: No such file or directory'
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104
Check there is no postmaster.pid in your postgres directory, probably /usr/local/var/postgres/
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Hashing a file in Python
...ly arbitrary, change for your app!
BUF_SIZE = 65536 # lets read stuff in 64kb chunks!
md5 = hashlib.md5()
sha1 = hashlib.sha1()
with open(sys.argv[1], 'rb') as f:
while True:
data = f.read(BUF_SIZE)
if not data:
break
md5.update(data)
sha1.update(da...
Vagrant stuck connection timeout retrying
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47 Answers
47
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S3 Error: The difference between the request time and the current time is too large
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164
The time on your local box is out of sync with the current time. Sync up your system clock and ...
Hash function that produces short hashes?
...ashlib.sha1("my message".encode("UTF-8")).hexdigest()
>>> hash
'104ab42f1193c336aa2cf08a2c946d5c6fd0fcdb'
>>> hash[:10]
'104ab42f11'
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What's the difference between using “let” and “var”?
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edited Apr 29 at 13:14
community wiki
31 r...
Limit number of characters allowed in form input text field
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174
maxlength:
The maximum number of characters that will be accepted as input. This can be grea...
How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
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edited Apr 23 '13 at 11:48
answered May 6 '10 at 7:00
Mak...