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How to efficiently count the number of keys/properties of an object in JavaScript?
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If you are using Underscore.js you can use _.size (thanks @douwe):
_.size(obj)
Alternatively you can also use _.keys which might be clearer for some:
_.keys(obj).length
I highly recommend Underscore, its a tight library for doing lots of basic things. Whenever poss...
URL Encoding using C#
... %5E %5E ^ ^ %5E
_ _ _ _ _ _ _ _ %5F
` %60 %60 ` %60 %60 ` ...
Completion handler for UINavigationController “pushViewController:animated”?
...rface UINavigationController (CompletionHandler)
- (void)completionhandler_pushViewController:(UIViewController *)viewController
animated:(BOOL)animated
completion:(void (^)(void))completion;
@end
Implementation:
#import "UIN...
How to convert currentTimeMillis to a date in Java?
...mMonth = calendar.get(Calendar.MONTH);
int mDay = calendar.get(Calendar.DAY_OF_MONTH);
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How to obtain a Thread id in Python?
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threading.get_ident() works, or threading.current_thread().ident (or threading.currentThread().ident for Python < 2.6).
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How do you read a file into a list in Python? [duplicate]
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The pythonic way to read a file and put every lines in a list:
from __future__ import with_statement #for python 2.5
with open('C:/path/numbers.txt', 'r') as f:
lines = f.readlines()
Then, assuming that each lines contains a number,
numbers =[int(e.strip()) for e in lines]
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Forward function declarations in a Bash or a Shell script?
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This seems somewhat analogous to what if _ _ name _ _ == "_ _ main _ _": main() does in python
– Sergiy Kolodyazhnyy
Feb 13 '16 at 7:13
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How to upload, display and save images using node.js and express [closed]
...ive to where this script is located)
app.get("/", express.static(path.join(__dirname, "./public")));
Once that's done, users will be able to upload files to your server via that form. But to reassemble the uploaded file in your application, you'll need to parse the request body (as multipart form d...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
... invoke MessageBox, NULL, offset szText, offset szCaption, MB_OK
invoke ExitProcess, NULL
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
end start
怎么样，看来和上面的C以及DOS汇编又不同了吧！...
How do I safely pass objects, especially STL objects, to and from a DLL?
...t you maintain a standard calling convention; if you declare a function as _cdecl, the default for C++, and try to call it using _stdcall bad things will happen. _cdecl is the default calling convention for C++ functions, however, so this is one thing that won't break unless you deliberately break i...