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Why are floating point numbers inaccurate?
...g point numbers are represented a lot like scientific notation: with an exponent and a mantissa (also called the significand). A very simple number, say 9.2, is actually this fraction:
5179139571476070 * 2 -49
Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is imp...
View differences of branches with meld?
...r the staging area or the working directory against any of the others. If one of the things you are comparing against is the working tree then that is read-write also so you don't lose your changes.
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How to study design patterns? [closed]
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you mentioned you read 3 books..did you read this one as well? amazon.com/… if so, what did you think?
– sivabudh
Apr 15 '09 at 20:00
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C++ unordered_map using a custom class type as the key
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To be able to use std::unordered_map (or one of the other unordered associative containers) with a user-defined key-type, you need to define two things:
A hash function; this must be a class that overrides operator() and calculates the hash value given an object o...
Apache Commons equals/hashCode builder [closed]
...t equals()):
a) in both versions of equals() above, you might want to use one or both of these shortcuts also:
@Override
public boolean equals(final Object obj){
if(obj == this) return true; // test for reference equality
if(obj == null) return false; // test for null
// continue as a...
Using git repository as a database backend
...ve to maintain state for all of them. There are several approaches to this one, but all of them are either too hard on resources or too complex to implement (and thus kind of kill the original purpose of offloading all the hard implementation stuff to git in the first place):
"Blunt" approach: 1 u...
About catching ANY exception
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Possible workaround: effbot.org/zone/stupid-exceptions-keyboardinterrupt.htm
– Mikel
Feb 14 '11 at 9:52
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Why are there two ways to unstage a file in Git?
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So typically, one would use git rm --cached <filePath> to remove some file(s) from the repo after realizing it should have never been in the repo: so most likely running this command & then adding the relevant files to gitignore....
How to get subarray from array?
...d. console.log(ar); // -> [1, 2, 3, 4, 5]
– daemonexmachina
Dec 18 '18 at 18:35
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How to resize superview to fit all subviews with autolayout?
...ntentView and grab the height.
Further considerations exist if you have one or more UILabel's in your view that are multiline. For these it is imperitive that the preferredMaxLayoutWidth property be set correctly such that the label provides a correct intrinsicContentSize, which will be used in ...