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Get the first element of an array
...rray_shift(array_slice($array, 0, 1));
With PHP 5.4+ (but might cause an index error if empty):
array_values($array)[0];
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finding and replacing elements in a list
... This is really slow in comparison to using native list methods like .index(10). There is no reason to list every list element to find a the elements that need to be replaced. Please see timing in my answer here.
– dawg
May 10 at 19:09
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Remove HTML Tags from an NSString on the iPhone
... });
// Use reverse enumerator to delete characters without affecting indexes
NSArray *matches =[regex matchesInString:self options:kNilOptions range:NSMakeRange(0, self.length)];
NSEnumerator *enumerator = matches.reverseObjectEnumerator;
NSTextCheckingResult *match = nil;
NSM...
How to insert a row in an HTML table body in JavaScript
...t row
var newRow = tableRef.insertRow();
// Insert a cell in the row at index 0
var newCell = newRow.insertCell(0);
// Append a text node to the cell
var newText = document.createTextNode('New row');
newCell.appendChild(newText);
A working demo is here. Also, you can check the documentation ...
How to set the focus for a particular field in a Bootstrap modal, once it appears
...vents = ['show', 'shown', 'hide', 'hidden'];
$(events).each(function (index, event) {
modal.on(event + '.bs.modal', function (e) {
var callback = modal.data(event + '-callback');
if (typeof callback != 'undefined') {
callback.call();
...
How to extract the first two characters of a string in shell scripting?
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In awk strings start at index 1, so you should use substr($0,1,2).
– Isaac
Feb 2 at 20:52
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Replacement for deprecated -sizeWithFont:constrainedToSize:lineBreakMode: in iOS 7?
...ocumentation/Cocoa/Reference/ApplicationKit/Classes/NSParagraphStyle_Class/index.html#//apple_ref/occ/clm/NSParagraphStyle/defaultParagraphStyle
You must get the ceil of the size, to match the deprecated methods' results.
https://developer.apple.com/library/ios/documentation/UIKit/Reference/NSStrin...
What open source C++ static analysis tools are available? [closed]
...zilla's Pork is a fork of Elsa/Oink.
See: http://danielwilkerson.com/oink/index.html
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Create an array with same element repeated multiple times
...f the entries up front, with arr = new Array(len);, then assign to them by index in the loop, i.e. arr[i] = value;. That way you only pay O(n) rather than having to keep reallocating the array as it grows. In general, it's always better to avoid growing arrays by appending when possible. If you k...
nvarchar(max) vs NText
...fields in ancient Linq2SQL code. This was to allow text columns present in indexes to be rebuilt ONLINE.
First I've known about the benefits for years, but always assumed that converting would mean some scary long queries where SQL Server would have to rebuild the table and copy everything over, br...