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Undoing a git bisect mistake
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edited Feb 8 at 17:40
Ruslan
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answered Dec...
How can you encode a string to Base64 in JavaScript?
I have a PHP script that can encode a PNG image to a Base64 string.
26 Answers
26
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How do I ALTER a PostgreSQL table and make a column unique?
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edited Oct 20 '14 at 17:12
rdrey
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answe...
In CMake, how can I test if the compiler is Clang?
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249
A reliable check is to use the CMAKE_<LANG>_COMPILER_ID variables. E.g., to check the C++...
GridView VS GridLayout in Android Apps
...laces its children in a rectangular grid.
It was introduced in API level 14, and was recently backported in the Support Library.
Its main purpose is to solve alignment and performance problems in other layouts.
Check out this tutorial if you want to learn more about GridLayout.
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Generate unique random numbers between 1 and 100
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answered Mar 4 '10 at 14:45
adam0101adam0101
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?
...X[,t], Y[,t]))
Y[X[J(unique_keys)]]
## t b a
## 1: 1 NA 1
## 2: 2 NA 4
## 3: 3 9 9
## 4: 4 16 16
## 5: 5 25 NA
## 6: 6 36 NA
# The following will give the same with the column order X,Y
X[Y[J(unique_keys)]]
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How can I check that a form field is prefilled correctly using capybara?
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4 Answers
4
Active
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animating addClass/removeClass with jQuery
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14
As of 2015-06-12 this is supported in - IE 10+ - Chrome 26+ - FireFox 16+ - Safari 6.1+ - Opera 12.1+ -webkit, -moz, -o is only needed f...