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Equals(=) vs. LIKE
...ation-dependent character different from any
character in the character set of X and Y that collates less
than any string under CS. Otherwise, the pad character is a
.
b) The result of the comparison of X and Y is given by the
collating sequence CS.
c) Depending on the collating ...
Cannot add or update a child row: a foreign key constraint fails
...ign key checks before performing any operation on the table. Simply query
SET FOREIGN_KEY_CHECKS=0
This will disable foreign key matching against any other tables. After you are done with the table enable it again
SET FOREIGN_KEY_CHECKS=1
This works for me a lot of times.
...
How to read a file in Groovy into a string?
... content.
If you want a specific character encoding you can specify a charset name with
String fileContents = new File('/path/to/file').getText('UTF-8')
See API docs on File.getText(String) for further reference.
share
...
How can I add a custom HTTP header to ajax request with js or jQuery?
...ions depending on what you need...
If you want to add a custom header (or set of headers) to an individual request then just add the headers property:
// Request with custom header
$.ajax({
url: 'foo/bar',
headers: { 'x-my-custom-header': 'some value' }
});
If you want to add a default h...
What is the best way to give a C# auto-property an initial value?
...you can specify initial value in-line. The syntax is:
public int X { get; set; } = x; // C# 6 or higher
DefaultValueAttribute is intended to be used by the VS designer (or any other consumer) to specify a default value, not an initial value. (Even if in designed object, initial value is the defau...
how do I use UIScrollView in Interface Builder?
...manipulating it programmatically, I'm having trouble getting it to work by setting it up exclusively in Interface Builder.
...
IIS - 401.3 - Unauthorized
...t to a folder on my file system and added index.html to the folder. I have set the port to 85 for this site. When I try to access http://localhost:85/index.html , I get the following error message:
...
Which Java Collection should I use?
...ead safety etc or the legacy collections, but it does cover the 3 standard Sets, 3 standard Maps and 2 standard Lists.
This image was created for this answer and is licensed under a Creative Commons Attribution 4.0 International License. The simplest attribution is by linking to either this quest...
How do I output coloured text to a Linux terminal?
... 46
white 37 47
Additionally, you can use these:
reset 0 (everything back to normal)
bold/bright 1 (often a brighter shade of the same colour)
underline 4
inverse 7 (swap foreground and background colours)
bold/bright off 21
underline o...
How to use SCNetworkReachability in Swift
...it explicitly.
As of Swift 2, SCNetworkReachabilityFlags conforms to
OptionSetType which has a set-like interface. You create an
empty flags variable with
var flags : SCNetworkReachabilityFlags = []
and check for flags with
let isReachable = flags.contains(.Reachable)
let needsConnection = flags...