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Call a function after previous function is complete
...tton').click(function(){
if (condition == 'true'){
function1(someVariable, function() {
function2(someOtherVariable);
});
}
else {
doThis(someVariable);
}
});
function function1(param, callback) {
...do stuff
callback();
}
...
A dependent property in a ReferentialConstraint is mapped to a store-generated column
...n relation between your tables? different columns and one was set as autonumeric.
It happened to me.
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Pod install is staying on “Setting up CocoaPods Master repo”
...ds/Specs.git' master
Cloning into 'master'...
(as suggested here)
For me the above step took quite a long time as the repo (Dec 2016) is now 1.1 GB
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Break when a value changes using the Visual Studio debugger
...
In the Visual Studio 2005 menu:
Debug -> New Breakpoint -> New Data Breakpoint
Enter:
&myVariable
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python list in sql query as parameter
...do it for strings we get the escaping issue.
Here's a variant using a parameterised query that would work for both:
placeholder= '?' # For SQLite. See DBAPI paramstyle.
placeholders= ', '.join(placeholder for unused in l)
query= 'SELECT name FROM students WHERE id IN (%s)' % placeholders
cursor.ex...
.NET Format a string with fixed spaces
Does the .NET String.Format method allow placement of a string at a fixed position within a fixed length string.
10 Answers...
Xcode debugging - displaying images
...o use spacebar to Quick Look!
Quick Look in the debugger can also be implemented for your own classes:
Enabling Quick Look for Custom Types
The variables Quick Look feature in the Xcode debugger allows you to obtain a quick visual assessment of the state of an object variable through a graphical r...
Making a Sass mixin with optional arguments
...et);
}
Picked this up over here: pass a list to a mixin as a single argument with SASS
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if/else in a list comprehension
...if after the for…in is part of list comprehensions and used to filter elements from the source iterable.
Conditional expressions can be used in all kinds of situations where you want to choose between two expression values based on some condition. This does the same as the ternary operator ?: t...
Deleting queues in RabbitMQ
...
If you do not care about the data in management database; i.e. users, vhosts, messages etc., and neither about other queues, then you can reset via commandline by running the following commands in order:
WARNING: In addition to the queues, this will also remove an...