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How do I count a JavaScript object's attributes? [duplicate]
...ree."
Here's one way:
var foo = {"key1": "value1", "key2": "value2", "key3": "value3"};
Object.prototype.foobie = 'bletch'; // add property to foo that won't be counted
var count = 0;
for (var k in foo) {
if (foo.hasOwnProperty(k)) {
++count;
}
}
alert("Found " + count + " properti...
Correct way to define C++ namespace methods in .cpp file
...se it shows that in the namespace, you are defining the function.
Version 3 is right also because you used the :: scope resolution operator to refer to the MyClass::method () in the namespace ns1. I prefer version 3.
See Namespaces (C++). This is the best way to do this.
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How can I check if my python object is a number? [duplicate]
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edited Sep 13 '19 at 14:44
Boris
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a...
uppercase first character in a variable with bash
...instead of a subshell.
– Steve
Apr 13 '16 at 23:57
3
This answer assumes the input is all lower c...
Get class name of object as string in Swift
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31 Answers
31
Active
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How can I create a simple message box in Python?
...rt ctypes # An included library with Python install.
ctypes.windll.user32.MessageBoxW(0, "Your text", "Your title", 1)
Or define a function (Mbox) like so:
import ctypes # An included library with Python install.
def Mbox(title, text, style):
return ctypes.windll.user32.MessageBoxW(0, te...
Compiling Java 7 code via Maven
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153
Check the mvn script in your maven installation to see how it's building the command. Perhaps yo...
Structure padding and packing
...boundaries - say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first structure:
struct mystruct_A {
char a;
char gap_0[3]; /* inserted by compiler: for alignment of b */
int b;
char c;
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How to programmatically click a button in WPF?
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130
WPF takes a slightly different approach than WinForms here. Instead of having the automation o...
How to check if a string contains an element from a list in Python
... Nam G VU
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answered Jun 30 '11 at 8:00
Lauritz V. ThaulowLauritz V. Thaulow
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