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Generate a random alphanumeric string in Cocoa
I want to call a method, pass it the length and have it generate a random alphanumeric string.
20 Answers
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计算统计特征（正态分布）函数及实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...AX_VAR;
double _ave;
//double _var;
double _sam_stdev;
double _all_stdev;
double _sum;
double _sum_2;
int _count;
double _min_v;
double _max_v;
StdevInfo()
: _ave(0.0)
//, _var(MAX_VAR)
, _sam_stdev(sqrt(MAX_VAR))
, _all_stdev(0.0)
, _sum(0.0)
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Tick symbol in HTML/XHTML
...splay a tick symbol (✓ or ✔) within an internal web app and would ideally like to avoid using an image.
14 Answers
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How to load all modules in a folder?
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List all python (.py) files in the current folder and put them as __all__ variable in __init__.py
from os.path import dirname, basename, isfile, join
import glob
modules = glob.glob(join(dirname(__file__), "*.py"))
__all__ = [ ba...
List all commits (across all branches) for a given file
This question is closely related to List all commits for a specific file however it is different. I want to find out which commits, across all branches , had modified a given file.
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What does Java option -Xmx stand for? [duplicate]
...it says,
-Xmxn
Specify the maximum size, in bytes, of the memory allocation pool. This value must a multiple of 1024 greater than 2MB. Append the letter k or K to indicate kilobytes, or m or M to indicate megabytes. The default value is 64MB. The upper limit for this value will be approxim...
Rails :dependent => :destroy VS :dependent => :delete_all
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The difference is with the callback.
The :delete_all is made directly in your application and deletes by SQL :
DELETE * FROM users where compagny_id = XXXX
With the :destroy, there is an instantiation of all of your children. So, if you can't destro...
Is there a built-in function to print all the current properties and values of an object?
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You are really mixing together two different things.
Use dir(), vars() or the inspect module to get what you are interested in (I use __builtins__ as an example; you can use any object instead).
>>> l = dir(__builtins__)
>...
How can I find all matches to a regular expression in Python?
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Use re.findall or re.finditer instead.
re.findall(pattern, string) returns a list of matching strings.
re.finditer(pattern, string) returns an iterator over MatchObject objects.
Example:
re.findall( r'all (.*?) are', 'all cats are s...
How to git log from all branches for the author at once?
I need to get the report of all commits that the author did. So far, I have the script that wraps the following command:
2...