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How do I remove the last comma from a string using PHP?

... Use the rtrim function: rtrim($my_string, ','); The Second parameter indicates the character to be deleted. share | improve this answer | ...
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Java string to date conversion

... 1234000000 V time-zone ID zone-id America/Los_Angeles; Z; -08:30 z time-zone name zone-name Pacific Standard Time; PST O localized zone-offset offset-O GMT+8; GMT+08:00; UTC-08:00; X zone-offset 'Z' for zero offset-X ...
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What does “coalgebra” mean in the context of programming?

... property and setPosition function: class C private x, y : Int _name : String public name : String position : (Int, Int) setPosition : (Int, Int) → C We need two parts to represent this class. First, we need to represent the internal state of the object; in th...
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How do I clear the terminal screen in Haskell?

... @Pradeep: No need to shout. (See en.wikipedia.org/wiki/All_caps#Internet ) – Jared Updike Mar 18 '10 at 18:57 add a comment  |  ...
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Make a negative number positive

... Note the edge cases, e.g. Math.abs(Integer.MIN_VALUE) = Integer.MIN_VALUE. – Zach Scrivena Jan 30 '09 at 0:24 ...
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how to check the jdk version used to compile a .class file [duplicate]

.... Useful if you don't have access to javap. ref: en.wikipedia.org/wiki/Java_class_file#General_layout – Jim Apr 24 '14 at 11:19 19 ...
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np.mean() vs np.average() in Python NumPy?

...verage np.mean: try: mean = a.mean except AttributeError: return _wrapit(a, 'mean', axis, dtype, out) return mean(axis, dtype, out) np.average: ... if weights is None : avg = a.mean(axis) scl = avg.dtype.type(a.size/avg.size) else: #code that does weighted mean here if retu...
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commandButton/commandLink/ajax action/listener method not invoked or input value not set/updated

...in web.xml, <context-param> <param-name>javax.faces.PROJECT_STAGE</param-name> <param-value>Development</param-value> </context-param> and you are also not seeing any googlable errors and/or warnings in browser's JavaScript console (press F12 in Chrome/Fi...
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Please explain the exec() function and its family

...hat the child can do, and the parent halts until the child calls exec() or _exit(). The parent has to be stopped (and the child is not permitted to return from the current function) since the two processes even share the same stack. This is slightly more efficient for the classic use case of fork() ...
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What is in your .vimrc? [closed]

...;& line("'\"") <= line("$") | \ let JumpCursorOnEdit_foo = line("'\"") | \ let b:doopenfold = 1 | \ if (foldlevel(JumpCursorOnEdit_foo) > foldlevel(JumpCursorOnEdit_foo - 1)) | \ let JumpCursorOnEdit_foo = JumpCursorOnEdit_...