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Symfony 2: How do I check if a user is not logged in inside a template?
...any user is logged in.
{% if app.user %}
# user is logged in (any and all users, regardless of ROLE_*)
{% elseif not app.user %}
# user is not logged in (note the `not` in the `elseif` statement)
{% endif %}
Checking authentication status
You can use the is_granted() method to check fo...
Difference between -pthread and -lpthread while compiling
...that get defined when the -pthread option gets used on the GCC package installed on my Ubuntu machine:
$ gcc -pthread -E -dM test.c > dm.pthread.txt
$ gcc -E -dM test.c > dm.nopthread.txt
$ diff dm.pthread.txt dm.nopthread.txt
152d151
< #define _REENTRANT 1
208d206
< #define _...
Python dictionary: Get list of values for list of keys
...
A couple of other ways than list-comp:
Build list and throw exception if key not found: map(mydict.__getitem__, mykeys)
Build list with None if key not found: map(mydict.get, mykeys)
Alternatively, using operator.itemgetter can return a tuple:
from operator import itemget...
How to capture stdout output from a Python function call?
...ed usage:
What may not be obvious is that this can be done more than once and the results concatenated:
with Capturing() as output:
print('hello world')
print('displays on screen')
with Capturing(output) as output: # note the constructor argument
print('hello world2')
print('done')
pri...
python design patterns [closed]
...g for any resources that gives examples of Best Practices, Design patterns and the SOLID principles using Python.
6 Answe...
How do I concatenate two lists in Python?
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@Daniel it will create a new list with a shallow copy of the items in the first list, followed by a shallow copy of the items in the second list. Use copy.deepcopy to get deep copies of lists.
– Daniel G
Apr 19 '12 at 14:51
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How do I print the type of a variable in Rust?
...r
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= note: expected type `()`
found type `{float}`
Or call an invalid method:
let mut my_number = 32.90;
my_number.what_is_this();
error[E0599]: no method named `what_is_this` found for type `{float}` in the current scope
--> src/main.rs:3:15
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3 | my_number.what_is_...
How to find out what group a given user has?
...
This one shows the user's uid as well as all the groups (with their gids) they belong to
id userid
share
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improve this answer
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follow
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How to keep a Python script output window open?
...a few options:
Run the program from an already-open terminal. Open a command prompt and type:
python myscript.py
For that to work you need the python executable in your path. Just check on how to edit environment variables on Windows, and add C:\PYTHON26 (or whatever directory you installed pyt...
Cooler ASCII Spinners? [closed]
...
Lots of choices with Unicode, including ⌚ and ⌛!
← ↖ ↑ ↗ → ↘ ↓ ↙
▁ ▂ ▃ ▄ ▅ ▆ ▇ █ ▇ ▆ ▅ ▄ ▃ ▁
▉▊▋▌▍▎▏▎▍▌▋▊▉
▖ ▘ ▝ ▗
┤ ┘ ┴ └ ├ ┌ ┬ ┐
◢ ◣ ◤ ◥
◰ ◳ ◲ ◱
◴ ...