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Xml configuration versus Annotation based configuration [closed]
...ction portion of your application. This gets the code's dependencies away from the code which will be using it, by contrast, using some sort of annotation in the code that needs the dependencies makes the code aware of this automatic configuration.
However, instead of using XML for transactional m...
Is there a way to check if WPF is currently executing in design mode or not?
...esignMode is actually an attached property, so you can use it in a binding from xaml as well. Might not be the most common use though :)
– aL3891
May 23 '11 at 13:10
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Generate unique random numbers between 1 and 100
... This is how I always do it, too. So if I wanted ten random lines from a file with a bunch of lines in it, I do randlines file | head -10.
– tchrist
Sep 9 '12 at 19:38
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How to remove the first character of string in PHP?
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To remove every : from the beginning of a string, you can use ltrim:
$str = '::f:o:';
$str = ltrim($str, ':');
var_dump($str); //=> 'f:o:'
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Git fails when pushing commit to github
...o git over ssh, and push it to github. Then when you try to do a push/pull from the original server it should work over https. (since it is a much smaller amount of data than an original push).
Hope this helps.
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Android accelerometer accuracy (Inertial navigation)
... API yet, so bear with me.
First of all, traditionally, to get navigation from accelerometers you would need a 6-axis accelerometer. You need accelerations in X, Y, and Z, but also rotations Xr, Yr, and Zr. Without the rotation data, you don't have enough data to establish a vector unless you assum...
AngularJS: How to clear query parameters in the URL?
...ation.search('key', null)
As this not only deletes my key but removes it from the visibility on the URL.
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Max size of an iOS application
...'s. These changes can be found on page 206 of the guide. Thanks to comment from Ozair Kafray.
As of July 19, 2012
The above information is still the same with the exception of Over The Air downloads which is now 50MB's. These changes can be found on page 214 of the guide. Thanks to comment from mar...
Best way to iterate through a Perl array
..._ is aliased to the element in #1, but #2 and #3 actually copy the scalars from the array.)
#5 might be similar.
In terms memory usage: They're all the same except for #5.
for (@a) is special-cased to avoid flattening the array. The loop iterates over the indexes of the array.
In terms of readabil...
Swift: Testing optionals for nil
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From swift programming guide
If Statements and Forced Unwrapping
You can use an if statement to find out whether an optional contains a
value. If an optional does have a value, it evaluates to true; if it
has no...