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How to grab substring before a specified character jQuery or JavaScript

...fore the ',' comma. How do I do this in JavaScript or jQuery? I tried this and not working.. 11 Answers ...
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C state-machine design [closed]

I am crafting a small project in mixed C and C++. I am building one small-ish state-machine at the heart of one of my worker thread. ...
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What is the C runtime library?

What actually is a C runtime library and what is it used for? I was searching, Googling like a devil, but I couldn't find anything better than Microsoft's: "The Microsoft run-time library provides routines for programming for the Microsoft Windows operating system. These routines automate many commo...
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LINQPad [extension] methods [closed]

Does anyone have a complete list of LINQPad extension methods and methods, such as 4 Answers ...
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How do I calculate the normal vector of a line segment?

... if we define dx=x2-x1 and dy=y2-y1, then the normals are (-dy, dx) and (dy, -dx). Note that no division is required, and so you're not risking dividing by zero. share ...
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How to programmatically get iOS status bar height

I know that currently the status bar (with the time, battery, and network connection) at the top of the iPhone/iPad is 20 pixels for non-retina screens and 40 pixels for retina screens, but to future proof my app I would like to be able to determine this without hard coding values. Is it possible to...
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How to execute a raw update sql with dynamic binding in rails

... to do this generically. You could try accessing the underlying connection and using it's methods, e.g. for MySQL: st = ActiveRecord::Base.connection.raw_connection.prepare("update table set f1=? where f2=? and f3=?") st.execute(f1, f2, f3) st.close I'm not sure if there are other ramifications t...
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Does the APNS device token ever change, once created?

...st ensures that only APNs generates the token which it will later honor, and it can assure itself that a token handed to it by a device is the same token that it previously provisioned for that particular device—and only for that device. If the user restores backup data to a new device ...
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What is the effect of extern “C” in C++?

...then link to using the C name. Since C++ has overloading of function names and C does not, the C++ compiler cannot just use the function name as a unique id to link to, so it mangles the name by adding information about the arguments. A C compiler does not need to mangle the name since you can not ...
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Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]

... workspace between users. The problem is that after I create the workspace and change the permission on it, I encounter the error below (image) without even switching to a different user. ...