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Symfony 2 EntityManager injection in service

I've created my own service and I need to inject doctrine EntityManager, but I don't see that __construct() is called on my service, and injection doesn't work. ...
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How to grep (search) committed code in the Git history

...ommit content (i.e., actual lines of source, as opposed to commit messages and the like), you need to do: git grep <regexp> $(git rev-list --all) git rev-list --all | xargs git grep <expression> will work if you run into an "Argument list too long" error. If you want to limit the sea...
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File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?

...idden by calls to System.setProperty(String key, String value) or with command line parameters -Dfile.separator=/ File.separator gets the separator for the default filesystem. FileSystems.getDefault() gets you the default filesystem. FileSystem.getSeparator() gets you the separator character for ...
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In Python, how can you load YAML mappings as OrderedDicts?

I'd like to get PyYAML 's loader to load mappings (and ordered mappings) into the Python 2.7+ OrderedDict type, instead of the vanilla dict and the list of pairs it currently uses. ...
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Hour from DateTime? in 24 hours format

So i have this DateTime? and what i want to do is to obtain the hour but show it in 24 hours format. For example: If the hour is 2:20:23 p.m. i want to convert it to 14:20 and that's it. ...
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Add EBS to Ubuntu EC2 Instance

... to format the EBS volume (block device) with a file system between step 1 and step 2. So the entire process with your sample mount point is: Create EBS volume. Attach EBS volume to /dev/sdf (EC2's external name for this particular device number). Format file system /dev/xvdf (Ubuntu's internal na...
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Is there a way to follow redirects with command line cURL?

...f the commenters. For me, the obstacle was that the page required a login and then gave me a new URL through javascript. Here is what I had to do: curl -c cookiejar -g -O -J -L -F "j_username=yourusename" -F "j_password=yourpassword" <URL> Note that j_username and j_password is the name of...
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how to get first three characters of an NSString?

... I'm very new and I searched for this question to try to answer my own, but won't this answer take out the first 3 characters? I use that same syntax to REMOVE the number of characters you set. I'm probably wrong, but thought I should at l...
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Excluding directories in os.walk

I'm writing a script that descends into a directory tree (using os.walk()) and then visits each file matching a certain file extension. However, since some of the directory trees that my tool will be used on also contain sub directories that in turn contain a LOT of useless (for the purpose of thi...
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How to Set Focus on Input Field using JQuery

... so used to it, when I see the space I automatically think "child element" and it takes a second to de-confuse myself. But hey, that's just me. It's cool that it works either way. – simshaun Jul 18 '11 at 20:19 ...