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Tri-state Check box in HTML?
...s comment, I found a better solution:
HTML5 defines a property for checkboxes called indeterminate
See w3c reference guide. To make checkbox appear visually indeterminate set it to true:
element.indeterminate = true;
Here is Janus Troelsen's fiddle. Note, however, that:
The indeterminate stat...
Why should I prefer to use member initialization lists?
...ary call to a default constructor. Consider:
class A
{
public:
A() { x = 0; }
A(int x_) { x = x_; }
int x;
};
class B
{
public:
B()
{
a.x = 3;
}
private:
A a;
};
In this case, the constructor for B will call the default constructor for A, and then initialize ...
Numpy `logical_or` for more than two arguments
...
If you're asking about numpy.logical_or, then no, as the docs explicitly say, the only parameters are x1, x2, and optionally out:
numpy.logical_or(x1, x2[, out]) = <ufunc 'logical_or'>
You can of course chain together multiple logical_or calls like this:
>>> x = n...
Is It Possible to Sandbox JavaScript Running In the Browser?
I'm wondering if it's possible to sandbox JavaScript running in the browser to prevent access to features that are normally available to JavaScript code running in an HTML page.
...
What characters can be used for up/down triangle (arrow without stem) for display in HTML?
... - U+25BE SMALL BLACK DOWN-POINTING TRIANGLE
For ▲ and ▼ use &#x25B2; and &#x25BC; respectively if you cannot include Unicode characters directly (use UTF-8!).
Note that the font support for the smaller versions is not as good. Better to use the large versions in smaller font.
More U...
LLVM vs clang on OS X
I have a question concerning llvm, clang, and gcc on OS X.
3 Answers
3
...
Python: How would you save a simple settings/config file?
...ling reasons to use a different format.
Write a file like so:
# python 2.x
# from ConfigParser import SafeConfigParser
# config = SafeConfigParser()
# python 3.x
from configparser import ConfigParser
config = ConfigParser()
config.read('config.ini')
config.add_section('main')
config.set('main', ...
What are the most-used vim commands/keypresses?
I'm a Ruby programming trying to switch from Textmate to MacVim, and I'm having trouble wading through the gargantuan lists of things you can do in VIM and all of the keypresses for them. I'm tired of hearing "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' ...
C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区,为创新赋能!
...你调试一下,或是你把14行的printf语句改成:printf("%x\n", f.a->s);复制代码
你会看到程序不crash了。程序输出:4。 这下你知道了,访问0x4的内存地址,不crash才怪。于是,你一定会有如下的问题:1)为什么不是 13行if语句...
d3 axis labeling
How do I add text labels to axes in d3?
6 Answers
6
...