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Random alpha-numeric string in JavaScript? [duplicate]
...'0123456789';
if (chars.indexOf('!') > -1) mask += '~`!@#$%^&*()_+-={}[]:";\'<>?,./|\\';
var result = '';
for (var i = length; i > 0; --i) result += mask[Math.floor(Math.random() * mask.length)];
return result;
}
console.log(randomString(16, 'aA'));
console.log(rando...
Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST
... edited Jan 22 '15 at 3:26
AZ_
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answered Oct 1 '13 at 11:41
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How can I use map and receive an index as well in Scala?
...", "had", "a", "little", "lamb").zipWithIndex.foreach( (t) => println(t._2+" "+t._1) )
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How do I get textual contents from BLOB in Oracle SQL
...ext stored in the BLOB, CS of the database used for VARCHAR2) :
select utl_raw.cast_to_varchar2(dbms_lob.substr(BLOB_FIELD)) from TABLE_WITH_BLOB where ID = '<row id>';
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How to slice an array in Bash
...his or arguments that contained spaces would get split: ARGS=( "$@" ); ARGS_AFTER_FIRST=( "${ARGS[@]:1}" )
– Heath Borders
Jan 27 '16 at 21:15
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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...way to do an operation" as a constraint. Rightly so, because for example to_string and lambdas are both conveniences for things you could do already. I suppose one could interpret "only one way to do an operation" very loosely to allow both of those, and at the same time to allow almost any duplicat...
How can I use a local image as the base image with a dockerfile?
...on: 1.24
Package version: docker-common-1.12.6-16.el7.centos.x86_64
Go version: go1.7.4
Server:
Version: 1.12.6
API version: 1.24
Package version: docker-common-1.12.6-16.el7.centos.x86_64
Go version: go1.7.4
docker images
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How do I delete an Azure storage account containing a leased blob?
... to use the portal. kieselmediagroup.blob.core.windows.net/misc/2012-08-21_1019.png
– Jason
Aug 21 '12 at 17:31
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Performance of Arrays vs. Lists
...the getter of the indexer of the List class, looks like this:
public T get_Item(int index)
{
if (index >= this._size)
{
ThrowHelper.ThrowArgumentOutOfRangeException();
}
return this._items[index];
}
As you can see, when you use the indexer of the List, the List performs...
Detect backspace in empty UITextField
...yTextField
- (void)deleteBackward {
[super deleteBackward];
if ([_myDelegate respondsToSelector:@selector(textFieldDidDelete)]){
[_myDelegate textFieldDidDelete];
}
}
@end
Now simply add MyTextFieldDelegate to your UIViewController and set your UITextFields myDelegate to sel...