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Accessing dict_keys element by index in Python3
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Call list() on the dictionary instead:
keys = list(test)
In Python 3, the dict.keys() method returns a dictionary view object, which acts as a set. Iterating over the dictionary directly also yields keys, so turning a dicti...
Postgresql query between date ranges
...lts where a date is in certain month and year. In other words I would like all the values for a month-year.
5 Answers
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How do I revert my changes to a git submodule?
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Move into the submodule's directory, then do a git reset --hard to reset all modified files to their last committed state. Be aware that this will discard all non-committed changes.
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improv...
how to concatenate two dictionaries to create a new one in Python? [duplicate]
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Slowest and doesn't work in Python3: concatenate the items and call dict on the resulting list:
$ python -mtimeit -s'd1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}' \
'd4 = dict(d1.items() + d2.items() + d3.items())'
100000 loops, best of 3: 4.93 usec per loop
Fastest: exploit the dict co...
Why not use HTTPS for everything?
...eciding what has to be secured because everything would be, and it's not really an inconvenience to the user.
15 Answers
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Why is exception handling bad?
...anguage has no exceptions as a design choice, and Linus of Linux fame has called exceptions crap. Why?
15 Answers
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Node.js client for a socket.io server
...ocket.io server running and a matching webpage with a socket.io.js client. All works fine.
5 Answers
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How to get arguments with flags in Bash
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This is the idiom I usually use:
while test $# -gt 0; do
case "$1" in
-h|--help)
echo "$package - attempt to capture frames"
echo " "
echo "$package [options] application [arguments]"
echo " "
echo "options:"
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What's the difference between “version number” in iTunes Connect, “bundle version”, “bundle version
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Yes, they are related. They all refer to the version of your application.
iTunes Connect
This is the version number shown in the App Store; This must be a pure version number like 1.2.3
Bundle Version (CFBundleVersion)
This doesn't need to be a pure...
Return empty cell from formula in Excel
... reference to an empty cell differently than a true empty cell. So essentially I need something like
17 Answers
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