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Using python “with” statement with try-except block
...ht way to use the python "with" statement in combination with a try-except block?:
4 Answers
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How to identify CAAnimation within the animationDidStop delegate?
...ter way to do completion code for CAAnimations:
I created a typedef for a block:
typedef void (^animationCompletionBlock)(void);
And a key that I use to add a block to an animation:
#define kAnimationCompletionBlock @"animationCompletionBlock"
Then, if I want to run animation completion code ...
Difference between var_dump,var_export & print_r
...2] => 42
[3] => Array ([0] => 42)
)
var_export prints valid php code. Useful if you calculated some values and want the results as a constant in another script. Note that var_export can not handle reference cycles/recursive arrays, whereas var_dump and print_r check for these. var_exp...
C++ performance vs. Java/C#
...uch more tools suited for the task). Show a program that manipulates large blocks of memory in comparison, like a large-scale matrix/vector code. That'll settle this quite quickly even if, as in this case, the coders don't know what...
– stinky472
Feb 28 '12 at...
Setting DIV width and height in JavaScript
...roperties:
document.getElementById("mydiv").setAttribute("style","display:block;cursor:pointer;cursor:hand;");
document.getElementById("mydiv").style.display = "block";
document.getElementById("mydiv").style.cursor = "hand";
Thus, the most cross-browser compatible example for you would be:
docum...
How do I render a partial of a different format in Rails?
... 3.2.3, when calling render :partial (only works outside of the respond_to block).
render formats: [ :html ]
instead of
render format: 'html'
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Passing a method as a parameter in Ruby
...all(dist)
...
end
Just note that you can't set a default argument in a block declaration like that. So you need to use a splat and setup the default in the proc code itself.
Or, depending on your scope of all this, it may be easier to pass in a method name instead.
def weightedknn(data, vec...
Microsoft Excel mangles Diacritics in .csv files?
I am programmatically exporting data (using PHP 5.2) into a .csv test file.
Example data: Numéro 1 (note the accented e).
The data is utf-8 (no prepended BOM).
...
Remove white space below image [duplicate]
... element by default. This removes the gap:
.youtube-thumb img { display: block; }
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?
...ing in Mongo itself, it is possible to have duplicate _id's generated with PHP in Mongo.
The use-case where this has happened with regularity for me is when I'm looping through a dataset and attempting to inject the data into a collection.
The array that holds the injection data must be explicitl...