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Reference - What does this error mean in PHP?
...asily done by adding at the top of the script the following PHP code:
ini_set('display_errors', 1); error_reporting(~0);
The code will turn on the display of errors and set reporting to the highest level.
Since the ini_set() is executed at runtime it has no effects on parsing/syntax errors. Thos...
Intel HAXM installation error - This computer does not support Intel Virtualization Technology (VT-x
...om cmd or powershell to see the output.
Check BIOS
go into BIOS/UEFI setup and look for settings like VT-x, VT-d, Virtualization Technology, Hardware Virtualization and make sure it is Enabled. If the option is not there, check with your manufacturer and model to make sure it is supported.
Di...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
Is it possible to set the src attribute value in CSS? At present, what I am doing is:
25 Answers
...
What's the fastest algorithm for sorting a linked list?
... copying the result back again. Each algorithm was run on the same 10 data sets and the results were averaged.
These are the results:
N = 1000:
Fragmented list with merge sort: 0.000000 seconds
Array with qsort: 0.000000 seconds
Packed list with merge sort: 0.000000 seconds
N = 100000:
Fragmented...
Find a pair of elements from an array whose sum equals a given number
...
@jazzz I mean HashMap here, though HashSet will also do. Here is the implementation - github.com/kinshuk4/AlgorithmUtil/blob/master/src/com/vaani/…. Hope it helps.
– kinshuk4
Oct 6 '18 at 16:27
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When do we need curly braces around shell variables?
...That's too subtle and it does make to explicitly use {} in such contexts:
set app # set $1 to app
fruit=$1le # sets fruit to apple, but confusing
fruit=${1}le # sets fruit to apple, makes the intention clear
See:
Allowed characters in Linux environment variable names
...
Pretty printing JSON from Jackson 2.2's ObjectMapper
...
You can enable pretty-printing by setting the SerializationFeature.INDENT_OUTPUT on your ObjectMapper like so:
mapper.enable(SerializationFeature.INDENT_OUTPUT);
share
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Regular expression to match URLs in Java
...s. Spaces, dots, or dashes
* may follow.
* <li>Optionally, sets of digits in parentheses, separated by spaces, dots, or dashes.
* <li>A string starting and ending with a digit, containing digits, spaces, dots, and/or dashes.
* </ul>
*/
public static fin...
Programmatically scroll a UIScrollView
...roll view with one of the following statements in Objective-C
[scrollView setContentOffset:CGPointMake(x, y) animated:YES];
or Swift
scrollView.setContentOffset(CGPoint(x: x, y: y), animated: true)
See the guide "Scrolling the Scroll View Content" from Apple as well.
To do slideshows with UIS...
cannot find zip-align when publishing app
...9.1.0 or =20.0.0 to project.properties. Also note that zipalign properties set has been changed in the ANT build.xml to point on the righ tool chain version.
– david
Jul 28 '14 at 18:42
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