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How to get arguments with flags in Bash
...
This is the idiom I usually use:
while test $# -gt 0; do
case "$1" in
-h|--help)
echo "$package - attempt to capture frames"
echo " "
echo "$package [options] application [arguments]"
echo " "
echo "options:"
echo "-h, --h...
Comparing object properties in c# [closed]
... snippet of code that would do something similar to help with writing unit test. Here is what I ended up using.
public static bool PublicInstancePropertiesEqual<T>(T self, T to, params string[] ignore) where T : class
{
if (self != null && to != null)
{
Type type ...
Python assigning multiple variables to same value? list behavior
...>>> a
1
>>> b
2
>>> c
3
>>> a,b,c = ({'test':'a'},{'test':'b'},{'test':'c'})
>>> a
{'test': 'a'}
>>> b
{'test': 'b'}
>>> c
{'test': 'c'}
>>>
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__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...int(const char *format,...)
__attribute__((format(printf,1,2)));
void test()
{
myprint("i=%d/n",6);
myprint("i=%s/n",6);
myprint("i=%s/n","abc");
myprint("%s,%d,%d/n",1,2);
}
运行$gcc –Wall –c attribute.c attribute后，输出结果为：
attribute...
How do I pass extra arguments to a Python decorator?
...to reuse decorator and decrease nesting
import functools
def myDecorator(test_func=None,logIt=None):
if not test_func:
return functools.partial(myDecorator, logIt=logIt)
@functools.wraps(test_func)
def f(*args, **kwargs):
if logIt==1:
print 'Logging level 1 ...
JavaScript OR (||) variable assignment explanation
... cannot later do if( true == f ). If an integer was stored in f, then this test will always return false.
– user1115652
Aug 1 '13 at 2:11
9
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Node.js / Express.js - How does app.router work?
... opportunity to process a request. For example, if you have a file called test.html in your static folder and a route:
app.get('/test.html', function(req, res) {
res.send('Hello from route handler');
});
Which one gets sent to a client requesting http://server/test.html? Whichever middleware ...
JavaScript Regular Expression Email Validation [duplicate]
...attern =/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
return pattern.test(str); // returns a boolean
}
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Objective-C: Property / instance variable in category
...gt;
static void *MyClassResultKey;
@implementation MyClass
- (NSString *)test {
NSString *result = objc_getAssociatedObject(self, &MyClassResultKey);
if (result == nil) {
// do a lot of stuff
result = ...;
objc_setAssociatedObject(self, &MyClassResultKey, result, OBJC_ASSOC...
WebKit issues with event.layerX and event.layerY
I just noticed that I get tons of deprecated warnings in the latest (canary) build of Chrome.
9 Answers
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