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Check if a string matches a regex in Bash script
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330
You can use the test construct, [[ ]], along with the regular expression match operator, =~, to ...
Finding all possible combinations of numbers to reach a given sum
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250
This problem can be solved with a recursive combinations of all possible sums filtering out thos...
Running a cron job on Linux every six hours
...got a *, and you've too many fields. It's the hour you need to care about
0 */6 * * * /path/to/mycommand
This means every sixth hour starting from 0, i.e. at hour 0, 6, 12 and 18 which you could write as
0 0,6,12,18 * * * /path/to/mycommand
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Android Studio rendering problems
I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout.
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Android : Check whether the phone is dual SIM
... telephonyInfo.imeiSIM1 = getDeviceIdBySlot(context, "getDeviceIdGemini", 0);
telephonyInfo.imeiSIM2 = getDeviceIdBySlot(context, "getDeviceIdGemini", 1);
} catch (GeminiMethodNotFoundException e) {
e.printStackTrace();
try {
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Python int to binary string?
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800
Python's string format method can take a format spec.
>>> "{0:b}".format(37)
'100101...
php - get numeric index of associative array
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answered Jul 29 '10 at 18:26
FoscoFosco
35.5k66 gold badges7777 silver badges9898 bronze badges
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Make footer stick to bottom of page correctly [duplicate]
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10 Answers
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How do I compare version numbers in Python?
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10 Answers
10
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