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Hidden features of Ruby
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From Ruby 1.9 Proc#=== is an alias to Proc#call, which means Proc objects can be used in case statements like so:
def multiple_of(factor)
Proc.new{|product| product.modulo(factor).zero?}
end
case number
when multiple_of(3)
puts "Multiple of 3"
when multiple...
Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
I have installed MySQL server and trying to connect to it, but getting the error:
18 Answers
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What is the best open XML parser for C++? [duplicate]
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How about RapidXML? RapidXML is a very fast and small XML DOM parser written in C++. It is aimed primarily at embedded environments, computer games, or any other applications where available memory or CPU processing power comes at a premium. RapidXML is licensed under Boost ...
How to get the number of Characters in a String?
..."), utf8.RuneCountInString("世界"))
}
Phrozen adds in the comments:
Actually you can do len() over runes by just type casting.
len([]rune("世界")) will print 2. At leats in Go 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compile...
jQuery event to trigger action when a div is made visible
...ction($) {
var _oldShow = $.fn.show;
$.fn.show = function(speed, oldCallback) {
return $(this).each(function() {
var obj = $(this),
newCallback = function() {
if ($.isFunction(oldCallback)) {
oldCallback.apply(obj);
}
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iPhone: Detecting user inactivity/idle time since last screen touch
... touch or an Ended touch, to reduce the number of timer resets.
NSSet *allTouches = [event allTouches];
if ([allTouches count] > 0) {
// allTouches count only ever seems to be 1, so anyObject works here.
UITouchPhase phase = ((UITouch *)[allTouches anyObject]).phase;
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Making a UITableView scroll when text field is selected
...he question. I've seen a lot of people with similar problems but can't get all the answers to work right.
45 Answers
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Removing an item from a select box
...ray $("#myselect").removeOption(["myselect_1", "myselect_2"]);
To remove all options, you can do $("#myselect").removeOption(/./);.
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How to configure Visual Studio to use Beyond Compare
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Note that for Beyond Compare 3, you should actually be using BComp.exe -- see scootersoftware.com/vbulletin/showthread.php?t=3461
– Joe
Jul 13 '11 at 15:28
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How to get current page URL in MVC 3
... copy/paste from that ILSpy view:
public Uri Url
{
get
{
if (this._url == null && this._wr != null)
{
string text = this.QueryStringText;
if (!string.IsNullOrEmpty(text))
{
text = "?" + HttpEncoder.CollapsePercentUFromStringInternal(text,
thi...