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how to delete all commit history in github? [duplicate]
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@TomášZato are you talking about the upstream settings in .git/config? If so, save your .git/config before, and restore it after.
– Danny Bullis
Feb 1 '18 at 20:45
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Easiest way to check for an index or a key in an array?
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To check if the element is set (applies to both indexed and associative array)
[ ${array[key]+abc} ] && echo "exists"
Basically what ${array[key]+abc} does is
if array[key] is set, return abc
if array[key] is not set, return nothing
Ref...
PHP - how to create a newline character?
...reak
some text after';
Make sure to check your editor for its line break settings if you require some specific character sequence (\r\n for example).
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Javascript Thousand Separator / string format [duplicate]
...ons like above:
$("input").number(true, 2);
Or you can apply to a whole set of DOM elements using selector:
$('span.number').number(true, 2);
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How to recursively list all the files in a directory in C#?
How to recursively list all the files in a directory and child directories in C#?
22 Answers
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Cleaner way to update nested structures
...classes this gets much easier:
scala> val g3 = g1.loc.pacman.superMode set true
g3: Game = Game("run",Pacman(3,true)
So the community needs to persuade the Scala team that this effort should be continued and integrated into the compiler.
Incidentally, Lukas recently published a version of Pac...
How can I trim leading and trailing white space?
...es when you read your data file. If you use read.csv or read.table you can set the parameterstrip.white=TRUE.
If you want to clean strings afterwards you could use one of these functions:
# Returns string without leading white space
trim.leading <- function (x) sub("^\\s+", "", x)
# Returns str...
Find size of an array in Perl
...array, and of the first character in a substring" (perldoc perlvar). It's set to 0 by default, and setting it to anything other than 0 is highly discouraged.
– Keith Thompson
Sep 13 '11 at 18:52
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EditText maxLines not working - user can still input more lines than set
..."1"
/>
You just need to make sure you have the attribute "inputType" set. It doesn't work without this line.
android:inputType="text"
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Explain the encapsulated anonymous function syntax
Can you explain the reasoning behind the syntax for encapsulated anonymous functions in JavaScript? Why does this work: (function(){})(); but this doesn't: function(){}(); ?
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