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Make HTML5 video poster be same size as video itself
Does anyone know how to resize the HTML5 video poster such that it fits the exact dimensions of the video itself?
13 Answer...
What does `kill -0 $pid` in a shell script do?
...permission to send a signal to it. EDIT: yes I know it is used most of the time for checking if a process is alive, but this is wrong unless you can guarantee that you have the permission to send the signal (eg: being root)
– dwalter
Jun 13 '12 at 10:45
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How do I change read/write mode for a file using Emacs?
If a file is set to read only mode, how do I change it to write mode and vice versa from within Emacs?
9 Answers
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When I catch an exception, how do I get the type, file, and line number?
Catching an exception that would print like this:
4 Answers
4
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Google Maps V3 - How to calculate the zoom level for a given bounds
I'm looking for a way to calculate the zoom level for a given bounds using the Google Maps V3 API, similar to getBoundsZoomLevel() in the V2 API.
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method of iterating over sqlalchemy model's defined columns?
I've been trying to figure out how to iterate over the list of columns defined in a SQLAlchemy model. I want it for writing some serialization and copy methods to a couple of models. I can't just iterate over the obj.__dict__ since it contains a lot of SA specific items.
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Is there a more elegant way of adding an item to a Dictionary safely?
... a particularly useful example, but something to bear in mind for the next time you find a real need:
public static class DictionaryExtensions
{
public static void SafeAdd<TKey, TValue>(this Dictionary<TKey, TValue> dict,
TKey key, TValu...
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How to get object size in memory? [duplicate]
I need to know how much bytes my object consumes in memory (in C#). for example how much my Hashtable , or SortedList , or List<String> .
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Test whether a glob has any matches in bash
If I want to check for the existence of a single file, I can test for it using test -e filename or [ -e filename ] .
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