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How do I find the length of an array?
...pression so it doesn't have any drawbacks over the macro (at least none I know of).
You can also consider using std::array from C++11 which exposes its length with no overhead over a native C array.
C++17 has std::size() in the <iterator> header which does the same and works for STL containe...
Remove all classes that begin with a certain string
...eral groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want to remove all of the classes that begin with "bg", how do I do that? Something like th...
Is there a good reason to use upper case for SQL keywords? [closed]
...itors didn't do code colouring.
I used to prefer all upper case, but I'm now leaning towards all lower.
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Javascript / Chrome - How to copy an object from the webkit inspector as code
...le.
Eg:- Copy & Paste the below code in your console and press ENTER. Now, try to paste(CTRL+V for Windows or CMD+V for mac) it some where else and you will get {"name":"Daniel","age":25}
var profile = {
name: "Daniel",
age: 25
};
copy(JSON.stringify(profile));
...
How do I disable a Pylint warning?
...ts box, type:
--rcfile=C:\Python26\Lib\site-packages\pylint\standard.rc
Now it should work ...
You can also add a comment at the top of your code that will be interpreted by pylint:
# pylint: disable=C0321
link to all pylint message codes
Adding e.g. --disable-ids=C0321 in the argumen...
SQLite UPSERT / UPDATE OR INSERT
...
For now, no this release in Ubuntu repository yet.
– bl79
Jun 9 '18 at 20:21
...
NSUserDefaults - How to tell if a key exists
...
I know this is old, but having only just now needed this information, I need to point out that the 'containsObject:' reference means just that: the object. NOT the key. IOW, in your header file if you've defined: #define kMyKey ...
What's the best method in ASP.NET to obtain the current domain?
...at I can use instead of ":"? Something like System.Uri.PortDelimiter? You know, just for consistency. :)
– Jan Aagaard
Oct 17 '11 at 18:46
...
#ifdef #ifndef in Java
...with "final" modifier Java compiler itself solves the problem. Because it knows in advance what would be the result of testing this condition.
For example this code:
boolean flag1 = true;
boolean flag2 = false;
int j=0;
for(int i=0;i<1000000000;i++){
if(flag1)
...
Why does Python use 'magic methods'?
...a part of Python, and it’s too
late to make such fundamental changes
now. The functions have to remain to
avoid massive code breakage.
The other "magical methods" (actually called special method in the Python folklore) make lots of sense, and similar functionality exists in other languages...