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How do I put an already-running process under nohup?
...t complete. I would like to merge these two solutions. Here it is:
For my test I made a small bash script called loop.sh, which prints the pid of itself with a minute sleep in an infinite loop.
$./loop.sh
Now get the PID of this process somehow. Usually ps -C loop.sh is good enough, but it is pr...
Method overloading in Objective-C?
...Number class) to the method and then from within the method itself you can test its type and throw the appropriate exception if necessary. Although this does have a minor performance hit, it will most likely be nominal or insignificant unless you are processing large quantities of data.
- (void) w...
Using Vim's persistent undo?
...vimrc to create an undodir if it doesn't exist and enable persistent undo. Tested on both Windows and Linux.
" Put plugins and dictionaries in this dir (also on Windows)
let vimDir = '$HOME/.vim'
let &runtimepath.=','.vimDir
" Keep undo history across sessions by storing it in a file
if has('p...
Use 'import module' or 'from module import'?
...eduction in readability: Any name conflicts will show themselves in (unit) testing. But all the names you use from the imported module will be bare, with nary a hint were they come from. I absolutely loathe "import *".
– Jürgen A. Erhard
Dec 26 '09 at 19:59
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How to wait for a keypress in R?
... colored, waiting for the next keystroke on the keyboard.
Compatibility: Tested under environments use either win.graph or X11. Works with Windows 7 x64 with Revolution R v6.1. Does not work under RStudio (as it doesn't use win.graph).
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Adaptive segue in storyboard Xcode 6. Is push deprecated?
...d)" instead?
It should; it does for me. I am using Xcode 6 beta 2 and to test I used the single view template (calling the pre made view controller in IB ‘VC_A’). I then added another view controller (‘VC_B’). I then added a button on VC_A to show VC_B and another from VC_B back to VC_A. W...
How to open multiple pull requests on GitHub
... two separate Requests, one to merge into master and another to merge into test.
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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...
Memoization in Haskell?
... `div` 4)
You can get an unmemoized f by using fix f
This will let you test that f does what you mean for small values of f by calling, for example: fix f 123 = 144
We could memoize this by defining:
f_list :: [Int]
f_list = map (f faster_f) [0..]
faster_f :: Int -> Int
faster_f n = f_list...
Insert/Update Many to Many Entity Framework . How do I do it?
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Allow me to add my thanks here. I wrote & tested over 130 lines of code over the last 4 days trying to accomplish this task but couldn't do it. Tried this and things worked perfectly. While I don't understand the purpose of establishing the item variable and then not...