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Why do you need to create a cursor when querying a sqlite database?
...be used to fetch data from the DBMS into an
application but also to identify a row in a table to be updated or
deleted. The SQL:2003 standard defines positioned update and
positioned delete SQL statements for that purpose. Such statements do
not use a regular WHERE clause with predicates. In...
Redirect Windows cmd stdout and stderr to a single file
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If there is a Handle, there cannot be a space between the Handle (i.e. 2) and the redirect operator (i.e. >). Therefore 2> 2.txt works (or 2> &1) 2 > 2.txt does not; 2 > &1 does not.
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Pull request without forking?
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If you don't have access to create branches on that repository, there is no way to create a pull request without forking.
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Remove duplicated rows
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@user1897691 mark it as correct then ;) watch this and if you like that, check twotorials.com
– Anthony Damico
Dec 20 '12 at 7:25
3
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Early exit from function?
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You can just use return.
function myfunction() {
if(a == 'stop')
return;
}
This will send a return value of undefined to whatever called the function.
var x = myfunction();
console.log( x ); // console shows undefined
Of course, you can specify a different ...
Get the value in an input text box
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@ParbhuBissessar Not necessarily. If he wants the literal text 'bla', the he's got it right. If he wants the val of the var bla then he needs to remove the quotes.
– double_j
Nov 15 '16 at 21:49
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How to prove that a problem is NP complete?
...e information C, you can create a polynomial time algorithm V that will verify for every possible input X whether X is in your domain or not.
Example
Prove that the problem of vertex covers (that is, for some graph G, does it have a vertex cover set of size k such that every edge in G has at least o...
How do I get the name of a Ruby class?
... (You need to load the ActiveSupport string inflections to be able to use if, if you are not a Rails project.)
– Per Lundberg
Jul 12 '16 at 8:24
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Is there a DesignMode property in WPF?
...ass MyUserControl : UserControl
{
public MyUserControl()
{
if (DesignerProperties.GetIsInDesignMode(this))
{
// Design-mode specific functionality
}
}
}
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How can I limit a “Run Script” build phase to my release configuration?
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if [ "${CONFIGURATION}" = "Release" ]; then
echo Do something really release-like
fi
The script will run at the end of every configuration, but it won't do anything in this case unless the configuration is Release (assumi...