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What are the mechanics of short string optimization in libc++?
...tring optimization (SSO). However, I would like to know in more detail how it works in practice, specifically in the libc++ implementation:
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Keyboard shortcut to comment lines in Sublime Text 3
In Sublime Text 2 it was possible to comment out a line or a block of lines with Ctrl + / and Ctrl + Shift + / . According to the menu Edit > Comment these shortcuts should be valid, but in Sublime Text 3 (build 3047) they no longer seem to work. Does anybody know the right default keyboard...
what are the .map files used for in Bootstrap 3.x?
There are two files included in the CSS folder with .map file extensions. They are:
8 Answers
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Adding two numbers concatenates them instead of calculating the sum
...t numbers. The easiest way to produce a number from a string is to prepend it with +:
var x = +y + +z;
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How can jQuery deferred be used?
...t on the topic:
var cache = {};
function getData( val ){
// return either the cached value or jqXHR object wrapped Promise
return $.when(
cache[ val ] ||
$.ajax('/foo/', {
data: { value: val },
dataType: 'json',
success: function( resp ...
Accessing JPEG EXIF rotation data in JavaScript on the client side
... else and don't like to include another huge javascript library I wrote a little code that extracts the orientation tag as fast as possible (It uses DataView and readAsArrayBuffer which are available in IE10+, but you can write your own data reader for older browsers):
function getOrientation(f...
What is the difference between linear regression and logistic regression?
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Linear regression output as probabilities
It's tempting to use the linear regression output as probabilities but it's a mistake because the output can be negative, and greater than 1 whereas probability can not. As regression might actually
produce probabiliti...
How do I put my website's logo to be the icon image in browser tabs?
The image next to the page title in the browser tab - how can you link an image here?
5 Answers
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How do I set the selected item in a comboBox to match my string using C#?
...comboBox contains test1 , test2 , and test3 . How do I set the selected item to "test1"? That is, how do I match my string to one of the comboBox items?
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Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7
Starting in iOS7, there is additional space at the top of my UITableView 's which have a style UITableViewStyleGrouped .
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