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argparse: identify which subparser was used [duplicate]
...re', help='name of app to process')
app_parser.set_defaults(which='app')
Now if you run
print parser.parse_args(["all"])
The result is
Namespace(which='all')
Check out the add_subparsers() documentation for more information and another example.
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How to upgrade all Python packages with pip?
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Right :( The issue now lives at github.com/pypa/pip/issues/59 . But every suggestion seems to be answered with "Yeah, but I'm too sure if X is the right way to do Y"... Now is better than never? Practicality beats purity? :(
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Configuring Git over SSH to login once
...gen or ssh-add. In my ~/.ssh/ directory I only have two files: config and known_hosts. It seems that ssh-add requires another file ~/.ssh/id_rsa. Should I create that file first using ssh-keygen as @Jefromi explained?
– reprogrammer
Oct 20 '09 at 17:22
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Convenient C++ struct initialisation
I'm trying to find a convenient way to initialise 'pod' C++ structs. Now, consider the following struct:
13 Answers
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How to compare strings in Bash
... true.
(
[ "$x" == "valid" ]
&&
echo "valid"
)
||
echo "invalid"
Now, when it is evaluated, the first is checked. If it is false, than the second operand of the logic and && after it is not relevant. The first is not true, so it can not be the first and the second be true, anyway.
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How to Import .bson file format on mongodb
...he dump/dbName/collectionName.bson folder structure? I used mongodump, but now I want to import it using mongorestore on a remote Linux box.
– Kevin Meredith
Oct 4 '13 at 19:25
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Using bootstrap with bower
...p in your workflow.
It's a matter of choice I guess.
Update : seems they now version a dist folder (see: https://github.com/twbs/bootstrap/pull/6342), so just use bower install bootstrap and point to the assets in the dist folder
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How do I install the yaml package for Python?
...Note that PySyck docs recommend using PyYaml, since syck is out of date). Now you know a specific package name, you can install it:
$ pip install pyyaml
If you want to install python yaml system-wide in linux, you can also use a package manager, like aptitude or yum:
$ sudo apt-get install pyth...
How to move a file?
...folder to be sure the awesome.txt file I created exists. It is there :)
Now we have moved a folder and its files from a source to a destination and back again.
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How to “crop” a rectangular image into a square with CSS?
I know that it is impossible to actually modify an image with CSS, which is why I put crop in quotes.
10 Answers
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