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public static const in TypeScript
...ke a static constant value in modern browsers (in that it can't be changed by other code), you could add a get only accessor to the Library class (this will only work for ES5+ browsers and NodeJS):
export class Library {
public static get BOOK_SHELF_NONE():string { return "None"; }
public s...
Get all unique values in a JavaScript array (remove duplicates)
...If you want to keep the last occurrence of a value, simple replace indexOf by lastIndexOf.
With ES6 it could be shorten to this:
// usage example:
var myArray = ['a', 1, 'a', 2, '1'];
var unique = myArray.filter((v, i, a) => a.indexOf(v) === i);
console.log(unique); // unique is ['a', 1, 2, ...
How can I set the color of a selected row in DataGrid
...Style wasn't even setting the background color, which was instead bing set by the RowBackground and AlternateRowBackground properties. Nevertheless, trying to set the background colour of the selected row did not work at all when I did this:
<DataGrid ... >
<DataGrid.RowBac...
Android Fragment lifecycle over orientation changes
... massive pain in the rear most of the time.
You can stop errors occurring by using the same Fragment rather than recreating a new one. Simply add this code:
if (savedInstanceState == null) {
// only create fragment if activity is started for the first time
mFragmentManager = getSupportFrag...
What is the difference between char * const and const char *?
...t's all about the C declaration syntax, with a ("pure") type part followed by a declarator. In "int const *foo, *volatile bar" the type part is int const (stops before the *) and the declarators are *foo (the expression *foo will denote an int const) and *volatile bar; reading right-to-left (good ru...
Parse JSON in TSQL
...working very slow in case of large data. so can we reduce the time of that by using any other methods within that?
– cracker
Apr 16 '14 at 4:48
...
How to pass prepareForSegue: an object
... label.text = receivedString
}
}
Remember to
Make the segue by control clicking on the button and draging it over to the Second View Controller.
Hook up the outlets for the UITextField and the UILabel.
Set the first and second View Controllers to the appropriate Swift files in IB.
S...
How to find a deleted file in the project commit history?
...of its path (or its extension, for that matter):
Prelim.: Avoid confusion by stepping to the git root
A nontrivial project may have multiple directories with similar or identical names.
> cd <project-root>
Find the full path
git log --diff-filter=D --summary | grep delete | grep M...
Best XML Parser for PHP [duplicate]
...creates what amounts to nested ArrayObjects. e.g. value will be accessible by $xml->root->child.
If you are looking to manipulate the XML files you're probably best off using DOM XML
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Running a command as Administrator using PowerShell?
... The only syntax that worked for me is in the original post, not the one by G.Lombard nor anjdreas
– Nicolas Mommaerts
Jan 22 '15 at 11:18
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