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Python using enumerate inside list comprehension
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+1 I did not test it, but I'll bet [t for t in enumerate(my list)] is even faster.
– the wolf
May 27 '12 at 22:58
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How to find where gem files are installed
... (whereas gem env) shows only the parent folder for the gems folder: /home/test/.rbenv/versions/2.5.0/lib/ruby/gems/2.5.0. There is a number of folders inside it and your gem may be located in almost any one of them - that's what bundle show <gemName> shows exactly (and gem env) does not.
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Method overloading in Objective-C?
...Number class) to the method and then from within the method itself you can test its type and throw the appropriate exception if necessary. Although this does have a minor performance hit, it will most likely be nominal or insignificant unless you are processing large quantities of data.
- (void) w...
Using Vim's persistent undo?
...vimrc to create an undodir if it doesn't exist and enable persistent undo. Tested on both Windows and Linux.
" Put plugins and dictionaries in this dir (also on Windows)
let vimDir = '$HOME/.vim'
let &runtimepath.=','.vimDir
" Keep undo history across sessions by storing it in a file
if has('p...
CSS table column autowidth
... width 100% and no other columns have widths. Applied this to one column). Tested in IE7/8/9, Firefox 12 and Chrome 19.
– marcovtwout
Jun 20 '12 at 14:12
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Input size vs width
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Interesting point, however in my tests width:20em makes the input much larger than 20 characters.
– Christophe
Sep 27 '13 at 18:45
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Comparing arrays in JUnit assertions, concise built-in way?
...ll sized arrays, but I rarely use arrays with more items than 7 in my unit tests.
This method works for primitive types and for other types when overload of toString returns all essential information.
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How do I get a UTC Timestamp in JavaScript?
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I test the following codes: var tt = new Date('Thu Jan 01 1970 08:00:00 GMT+0800 (China Standard Time)'); (tt.getTime() - tt.getTimezoneOffset()*60*1000)/1000. It seems tt.getTime() - tt.getTimezoneOffset() is correct for GMT+0...
Why does string::compare return an int?
... if your strings are more than 2GB long. I have done 1GB long strings as a test-case for storing things in a fifo once. But sure, someone dealing with a string containing a MPEG encoded as Base64 or some such may well run into that problem...
– Mats Petersson
M...
How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
...pes. These objects have more information than JVM does, which enable us to test for the full, parameterized type.
Note, however, that a Manifest is still an evolving feature. As an example of its limitations, it presently doesn't know anything about variance, and assumes everything is co-variant. I ...