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Interview question: Check if one string is a rotation of other string [closed]
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Regex to match a digit two or four times
...our digits or two
\d{2}(?:\d{2})? <-- two digits, and optionally two more
(?:\d{2}){1,2} <-- two digits, times one or two
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How to get the build/version number of your Android application?
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1997
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Downloading an entire S3 bucket?
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AWS CLI
See the "AWS CLI Command Reference" for more information.
AWS recently released their Command Line Tools, which work much like boto and can be installed using
sudo easy_install awscli
or
sudo pip install awscli
Once installed, you can then simply run:
aws...
Pod install is staying on “Setting up CocoaPods Master repo”
... is "Setting up CocoaPods Master repo" and after that I can't see anything more, the console stops there.
20 Answers
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How to select rows with no matching entry in another table?
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will this work even if table1 has more records then table2? if table1 has 100 records and table2 has 200 records (100 that match/join and 100 that don't match/join) would we get all 200 records returned?
– Juan Velez
Aug...
How to remove all null elements from a ArrayList or String Array?
... immutable lists (such as created with Arrays.asList); see this answer for more details.
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How to convert string to boolean php
...ded for clarity of understanding. In actual use the following code may be more appropriate:
$test_mode_mail = ($string === 'true');
or maybe use of the filter_var function may cover more boolean values:
filter_var($string, FILTER_VALIDATE_BOOLEAN);
filter_var covers a whole range of values, ...
UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c
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the same option applies to even more, e.g. to "something.decode()"
– Alexander Stohr
Mar 17 at 15:31
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Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
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