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How do I trim whitespace from a string?
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Just one space, or all consecutive spaces? If the second, then strings already have a .strip() method:
>>> ' Hello '.strip()
'Hello'
>>> ' Hello'.strip()
'Hello'
>>> 'Bob has a cat'.strip()
'Bob has a cat'
>>&...
What makes a keychain item unique (in iOS)?
...the keychain access group (field kSecAttrAccessGroup) is an added field to all these primary keys.
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How do I make class methods / properties in Swift?
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They are called type properties and type methods and you use the class or static keywords.
class Foo {
var name: String? // instance property
static var all = [Foo]() // static type property
class var comp: In...
How do I set/unset a cookie with jQuery?
... do:
$.cookie("test", 1);
To delete:
$.removeCookie("test");
Additionally, to set a timeout of a certain number of days (10 here) on the cookie:
$.cookie("test", 1, { expires : 10 });
If the expires option is omitted, then the cookie becomes a session cookie and is deleted when the browser ...
Convert integer into byte array (Java)
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Have a look at the ByteBuffer class.
ByteBuffer b = ByteBuffer.allocate(4);
//b.order(ByteOrder.BIG_ENDIAN); // optional, the initial order of a byte buffer is always BIG_ENDIAN.
b.putInt(0xAABBCCDD);
byte[] result = b.array();
Setting the byte order ensures that result[0] == 0xAA, re...
What is the difference between 127.0.0.1 and localhost
... format (and presumably the equivalent IPv6 format) and not do a lookup at all.
Otherwise, the name has to be resolved. And there's no guarantee that your hosts file will actually be used for that resolution (first, or at all) so localhost may become a totally different IP address.
By that I mean ...
Undo “git add ”?
...oing this, do a git status folder, and make sure it says that it 'deleted' all the files on that folder
– Bengalaa
Nov 24 '16 at 0:52
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How do I compile a Visual Studio project from the command-line?
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MSBuild usually works, but I've run into difficulties before. You may have better luck with
devenv YourSolution.sln /Build
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How to fully delete a git repository created with init?
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Git keeps all of its files in the .git directory. Just remove that one and init again.
If you can't find it, it's because it is hidden.
In Windows 7, you need to go to your folder, click on Organize on the top left, then click on Fo...
How to use querySelectorAll only for elements that have a specific attribute set?
I'm trying to use document.querySelectorAll for all checkboxes that have the value attribute set.
3 Answers
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