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Getting the first character of a string with $str[0]

...ng multibyte encodings (such as UTF-8). If you want to support that, use mb_substr(). Arguably, you should always assume multibyte input these days, so this is the best option, but it will be slightly slower. share ...
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tmux set -g mouse-mode on doesn't work

...ke scrolling with wheels work bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'" bind -n WheelDownPane select-pane -t= \; send-keys -M This will enable scrolling on hover over a pane and y...
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When should I use nil and NULL in Objective-C?

...ntions this, but if you dig into objc.h, you'll find the line #define nill __DARWIN_NULL. – gkb0986 Oct 25 '13 at 3:12 1 ...
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How to change the timeout on a .NET WebClient object

...> Public Class WebClient Inherits System.Net.WebClient Private _TimeoutMS As Integer = 0 Public Sub New() MyBase.New() End Sub Public Sub New(ByVal TimeoutMS As Integer) MyBase.New() _TimeoutMS = TimeoutMS End Sub ''' <summary> ''' S...
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C++ equivalent of java's instanceof

... Try using: if(NewType* v = dynamic_cast<NewType*>(old)) { // old was safely casted to NewType v->doSomething(); } This requires your compiler to have rtti support enabled. EDIT: I've had some good comments on this answer! Every time you nee...
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How to var_dump variables in twig templates?

...I'm using latest version of Symfony 2.5, and have the config.yml and config_dev.yml setup and debug mode turned on when loading the kernel for the dev environment. I've tried the other manual methods mentioned by Morland below. Either way, I also get a blank page when dump is used. And no dump. ...
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How to identify if the DLL is Debug or Release build (in .NET) [duplicate]

...wered Apr 28 '09 at 17:15 this. __curious_geekthis. __curious_geek 40.1k2020 gold badges105105 silver badges132132 bronze badges ...
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Can you nest html forms?

... form attribute can be the solution. From http://www.w3schools.com/tags/att_input_form.asp: The form attribute is new in HTML5. Specifies which <form> element an <input> element belongs to. The value of this attribute must be the id attribute of a <form> element in the sam...
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google oauth2 redirect_uri with several parameters

How to add a parameters to the google oauth2 redirect_uri? 4 Answers 4 ...
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receiver type *** for instance message is a forward declaration

...wered Jan 11 '12 at 6:47 Catfish_ManCatfish_Man 38.6k1111 gold badges6363 silver badges8181 bronze badges ...