大约有 15,208 项符合查询结果（耗时：0.0365秒） [XML]
Django Rest Framework File Upload
...
@pleasedontbelong RTan asks a pretty good question. Reading RFC-2616 provides a subtlety I wasn't aware of until now. "The fundamental difference between the POST and PUT requests is reflected in the different meaning of the Request-URI. The URI in a POST request identifies th...
Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
... a demonstration.
But first, I will reiterate that demonstration aside, re-read the other comments, since it's truth that CAPTCHA is pointless and not helpful, irrelevant of implementation....
But really, check out CAPTCHA Killer. You can upload a CAPTCHA image, and it will automatically, if not im...
Bash if statement with multiple conditions throws an error
...which prevents the shell from recognizing it as an operator at all. Please read BashFAQ #17 (on grouping) and #31 (on the difference between different types of test expression). Actually, in this case it would be even easier to use an arithmetic expression.
– Gordon Davisson
...
How to use Git for Unity3D source control?
...urceTree application as it plugs in perfectly with the Git Flow extension. Read the SourceTree tutorial here on implementing the Git Flow methodology in their application.
Unity3D Ignore Folders
For an up to date version checkout Github maintained Unity.gitignore file without OS specifics.
# ====...
What are the options for storing hierarchical data in a relational database? [closed]
...
My favorite answer is as what the first sentence in this thread suggested. Use an Adjacency List to maintain the hierarchy and use Nested Sets to query the hierarchy.
The problem up until now has been that the coversion method from an Adjacecy List to Nested Sets has been frightful...
NSOperation vs Grand Central Dispatch
I'm learning about concurrent programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa?
...
Passing parameters to a Bash function
...am ${age} years old."
}
You can also annotate arguments as @required or @readonly, create ...rest arguments, create arrays from sequential arguments (using e.g. string[4]) and optionally list the arguments in multiple lines:
function example {
args
: @required string firstName
: string ...
Extract substring using regexp in plain bash
...
Using pure bash :
$ cat file.txt
US/Central - 10:26 PM (CST)
$ while read a b time x; do [[ $b == - ]] && echo $time; done < file.txt
another solution with bash regex :
$ [[ "US/Central - 10:26 PM (CST)" =~ -[[:space:]]*([0-9]{2}:[0-9]{2}) ]] &&
echo ${BASH_REMATCH[1]...
How can I cast int to enum?
...var e2 = (MyEnum)6;
Console.WriteLine("{0} {1}", e1, e2);
Console.ReadLine();
}
Note that casting to e2 also works! From the compiler perspective above this makes sense: the value__ field is simply filled with either 5 or 6 and when Console.WriteLine calls ToString(), the name of e1 is re...
Iterate over the lines of a string
...ef f4(foo=foo):
stri = StringIO(foo)
while True:
nl = stri.readline()
if nl != '':
yield nl.strip('\n')
else:
raise StopIteration
Measuring gives:
$ python -mtimeit -s'import asp' 'list(asp.f4())'
1000 loops, best of 3: 406 usec per loop
n...