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How do I copy to the clipboard in JavaScript?
...3+ (~April 2015)
Mozilla Firefox 41+ (shipping ~September 2015)
Opera 29+ (based on Chromium 42, ~April 2015)
Simple Example
(may not work embedded in this site, read "important" note above)
var copyTextareaBtn = document.querySelector('.js-textareacopybtn');
copyTextareaBtn.addEventListen...
C# Regex for Guid
...ersion 2.0. Languages such as Delphi, PHP, and R that
have regex features based on PCRE also support conditionals. (source http://www.regular-expressions.info/conditional.html)
The regex that follows Will match
{123}
(123)
123
And will not match
{123)
(123}
{123
(123
123}
123)
Regex:
^({)?(...
How do you run a command for each line of a file?
...in fact, depending on sysctl superuser tool) as file descriptor:
For this demo, I will use fd 7:
exec 7<file.txt # Without spaces between `7` and `<`!
ls -l /dev/fd/
Then you could use read -u 7 this way:
while read -u 7 filename;do
ans=;while [ -z "$ans" ];do
read -p...
Java: Calling a super method which calls an overridden method
... {
System.out.println("subclass method2");
}
}
public class Demo
{
public static void main(String[] args)
{
SubClass mSubClass = new SubClass();
mSubClass.method1(mSubClass);
}
}
If you follow the call stack, you can see that this never changes, it's al...
How to remove only underline from a:before?
...l descendants such as inline blocks and inline tables.
(Emphasis mine.)
Demo: http://jsfiddle.net/r42e5/10/
Thanks to @Oriol for providing the workaround that prompted me to check the specs and see that the workaround is legal.
...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...大，可以有很多种类型，在DOS的可执行程序中，有只用到64KB的.com文件，也有大大小小的.exe文件。到了Win32环境下，又有了可以用4GB内存的PE格式可执行文件，编写不同类型的可执行文件要用.model语句定义不同的参数，具体如下 ...
Google Maps v3 - limit viewable area and zoom level
...e zoom level - e.g. only between levels 6 and 9. And I want to use all the base map types.
12 Answers
...
Is it possible to figure out the parameter type and return type of a lambda?
...
Funny, I've just written a function_traits implementation based on Specializing a template on a lambda in C++0x which can give the parameter types. The trick, as described in the answer in that question, is to use the decltype of the lambda's operator().
template <typename T&g...
HTML table headers always visible at top of window when viewing a large table
...
Hmm I'm not sure, based on your description. I suggest 1) if possible, show an example online; 2) ask it as a question on StackOverflow.
– Craig McQueen
Aug 20 '11 at 11:21
...
How can I use UUIDs in SQLAlchemy?
...I totally agree with you. Some of the other answers are cool for other databases, but for postgres this is the cleanest solution. (You can also set a default as uuid.uuid4).
– pacha
Apr 10 '18 at 16:38
...