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What is the C runtime library?
What actually is a C runtime library and what is it used for? I was searching, Googling like a devil, but I couldn't find anything better than Microsoft's: "The Microsoft run-time library provides routines for programming for the Microsoft Windows operating system. These routines automate many commo...
How to select records from last 24 hours using SQL?
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If the records are stored as DATETIME, this will select all records from the previous date, disregarding the time part. Been run at 23:59:59, the query will return all records for the last 48 hours, not 24.
– Quassnoi
Dec 11 '09 at 15:02
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How can I add new array elements at the beginning of an array in Javascript?
...X
shift X X
Check out the MDN Array documentation. Virtually every language that has the ability to push/pop elements from an array will also have the ability to unshift/shift (sometimes called push_front/pop_front) elements, you should never have to implement these yourself.
A...
Different ways of clearing lists
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Clearing a list in place will affect all other references of the same list.
For example, this method doesn't affect other references:
>>> a = [1, 2, 3]
>>> b = a
>>> a = []
>>> print(a)
[]
>>> print(b)
[1, 2, 3]
B...
Express: How to pass app-instance to routes from a different file?
I want to split up my routes into different files, where one file contains all routes and the other one the corresponding actions. I currently have a solution to achieve this, however I need to make the app-instance global to be able to access it in the actions.
My current setup looks like this:
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Create a new object from type parameter in generic class
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Because the compiled JavaScript has all the type information erased, you can't use T to new up an object.
You can do this in a non-generic way by passing the type into the constructor.
class TestOne {
hi() {
alert('Hi');
}
}
class TestTwo {
...
How to Set a Custom Font in the ActionBar Title?
...tion items). I'm using a custom view and I have the native title disabled. All of my activities inherit from a single activity, which has this code in onCreate:
this.getActionBar().setDisplayShowCustomEnabled(true);
this.getActionBar().setDisplayShowTitleEnabled(false);
LayoutInflater inflator = L...
What is the use of a private static variable in Java?
... as ClassName.varName . I am also aware that static members are shared by all instances of a class and are not reallocated in each instance.
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How to send email from Terminal?
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Note all this solutions assume you have a locally installed MTA
– Miquel
Nov 24 '11 at 18:07
11
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Use dynamic (variable) string as regex pattern in JavaScript
...g as regex:
Not every string is a valid regex, though: there are some speciall characters, like ( or [. To work around this issue, simply escape the string before turning it into a regex. A utility function for that goes in the sample below:
function escapeRegExp(stringToGoIntoTheRegex) {
return...