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How do I implement an Objective-C singleton that is compatible with ARC?
How do I convert (or create) a singleton class that compiles and behaves correctly when using automatic reference counting (ARC) in Xcode 4.2?
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How to replace list item in best way
...a", "b");
// {"b", "b", "c", "d"};
var intEnum = intArray.Select(x => x);
intEnum = intEnum.Replace(0, 1);
// {0, 0, 1, 2, 3, 4} => {1, 1, 1, 2, 3, 4}
No code duplication
There is no need to type long linq expressions
There is no need for additional usings
T...
How can I beautify JavaScript code using Command Line?
...cutefoo.js
uglify uses spaces for indentation by default so if I want to convert the 4-space-indentation to tabs I can run it through unexpand which Ubuntu 12.04 comes with:
unexpand --tabs=4 cutefoo.js > cuterfoo.js
Or you can do it all in one go:
uglifyjs foo.js --beautify | unexpan...
How do you roll back (reset) a Git repository to a particular commit? [duplicate]
...u can also use gitk.
Right click on the commit you want to return to and select "Reset master branch to here". Then choose hard from the next menu.
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Alternate table row color using CSS?
.../td>
</tr>
</tbody>
</table>
There is a CSS selector, really a pseudo-selector, called nth-child. In pure CSS you can do the following:
tr:nth-child(even) {
background-color: #000000;
}
Note: No support in IE 8.
Or, if you have jQuery:
$(document).ready(functi...
Declaring an unsigned int in Java
...g l = ulong(1);
All of these types extend java.lang.Number and can be converted into higher-order primitive types and BigInteger. Hope this helps.
(Disclaimer: I work for the company behind these libraries)
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List all indexes on ElasticSearch server?
...
you can also select and order columns adding e.g. &h=health,index as well as sort with &s=health:desc
– Georg Engel
Dec 18 '18 at 19:33
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How do I split a multi-line string into multiple lines?
...in text mode partially mitigates the newline representation problem, as it converts Python's \n into the platform's newline representation.
However, text mode only exists on Windows. On Unix systems, all files are opened in binary mode, so using split('\n') in a UNIX system with a Windows file will...
How to load images dynamically (or lazily) when users scrolls them into view
...ing with the images that have already loaded)
Adding To Existing Code
To convert your html, in an editor just search and replace src=" with src="" data-src="
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JavaScript + Unicode regexes
...mall Java program that uses its own native Unicode support).
Basically it converts \p{...} to a range of values, much like the output of the tool mentioned by Tomalak, but the intervals can end up quite large (since it's not dealing with blocks, but with characters scattered through many different ...