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Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)
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edited Jul 20 '12 at 17:36
answered Jul 30 '11 at 6:10
JW...
Does bit-shift depend on endianness?
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answered Aug 25 '11 at 3:41
CarlCarl
37.5k1010 gold badges7070 silver badges9797 bronze badges
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Concurrent.futures vs Multiprocessing in Python 3
Python 3.2 introduced Concurrent Futures , which appear to be some advanced combination of the older threading and multiprocessing modules.
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Remove elements from collection while iterating
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438
Let me give a few examples with some alternatives to avoid a ConcurrentModificationException.
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How do I raise the same Exception with a custom message in Python?
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Update: For Python 3, check Ben's answer
To attach a message to the current exception and re-raise it:
(the outer try/except is just to show the effect)
For python 2.x where x>=6:
try:
try:
raise ValueError # something bad......
How to join absolute and relative urls?
...urljoin(url1, url2)
'http://127.0.0.1/test1/test4/test6.xml'
With Python 3 (where urlparse is renamed to urllib.parse) you could use it as follow:
>>> import urllib.parse
>>> urllib.parse.urljoin(url1, url2)
'http://127.0.0.1/test1/test4/test6.xml'
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Map over object preserving keys
...ap the values and preserve the keys.
_.mapObject({ one: 1, two: 2, three: 3 }, function (v) { return v * 3; });
// => { one: 3, two: 6, three: 9 }
DEMO
With Lodash
Lodash provides a function _.mapValues to map the values and preserve the keys.
_.mapValues({ one: 1, two: 2, three: 3 }, fu...
“x not in y” or “not x in y”
...is(notin)
2 0 LOAD_CONST 1 ('ham')
3 LOAD_CONST 2 ('spam and eggs')
6 COMPARE_OP 7 (not in)
9 POP_TOP
10 LOAD_CONST 0 (None)
13 RETURN_VALUE
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Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
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139
Assert.Equals tests using the Equals method, which by default uses reference equality and, sinc...
How to tell if rails is in production?
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33
2 easy ways:
tail -f log/production.log
if there are entries populating that log after you h...