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Closing Hg Branches

...as closed, hiding it from the branch list. See also this thread: My em>xm>pectation is that I close a branch because this line of development has come to a dead end, and I don't want to be bothered with it any more. Therefore, when a branch has been closed I shouldn't see it (in branches, heads,...
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How to override the [] operator in Python?

... and __delslice__' have been deprecated for the last few releases of ver 2.m>xm> (not sure em>xm>actly when), and are no longer supported in ver 3.m>xm>. Instead, use __getitem__. __setitem__` and __delitem__' and test if the argument is of type slice, i.e.: if isinstance(arg, slice): ... ...
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Compare double to zero using epsilon

... Assuming 64-bit IEEE double, there is a 52-bit mantissa and 11-bit em>xm>ponent. Let's break it to bits: 1.0000 00000000 00000000 00000000 00000000 00000000 00000000 × 2^0 = 1 The smallest representable number greater than 1: 1.0000 00000000 00000000 00000000 00000000 00000000 00000001 × 2^...
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Emacs bulk indent for Python

Working with Python in Emacs if I want to add a try/em>xm>cept to a block of code, I often find that I am having to indent the whole block, line by line. In Emacs, how do you indent the whole block at once. ...
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How to perform Callbacks in Objective-C

... Normally, callbacks in objective C are done with delegates. Here's an em>xm>ample of a custom delegate implementation; Header File: @interface MyClass : NSObject { id delegate; } - (void)setDelegate:(id)delegate; - (void)doSomething; @end @interface NSObject(MyDelegateMethods) - (void)myCla...
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How do I change bash history completion to complete what's already on the line?

...ly, Up and Down are bound to the Readline functions previous-history and nem>xm>t-history respectively. I prefer to bind PgUp/PgDn to these functions, instead of displacing the normal operation of Up/Down. # ~/.inputrc "\e[5~": history-search-backward "\e[6~": history-search-forward After you modif...
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How do I install an old version of Django on virtualenv?

...like a stupid question, since the very purpose of virtualenv is to this em>xm>actly: Installing some specific version of a package (in this case Django) inside the virtual environment. But it's em>xm>actly what I want to do, and I can't figure it out. ...
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Types in MySQL: BigInt(20) vs Int(20)

...an odd choice by the developers - as I would have guessed it was width + mam>xm> value, or bits/etc. – Sh4d0wsPlyr May 25 '15 at 23:51 31 ...
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Why should tem>xm>t files end with a newline?

I assume everyone here is familiar with the adage that all tem>xm>t files should end with a newline. I've known of this "rule" for years but I've always wondered — why? ...
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Intelligent way of removing items from a List while enumerating in C#

... best solution is usually to use the RemoveAll() method: myList.RemoveAll(m>xm> => m>xm>.SomeProp == "SomeValue"); Or, if you need certain elements removed: MyListType[] elems = new[] { elem1, elem2 }; myList.RemoveAll(m>xm> => elems.Contains(m>xm>)); This assume that your loop is solely intended for re...