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/bin/sh: pushd: not found
...test1 and make test2 it gives the following:
prompt>make test1
before
/download/2011/03_mar
make: pushd: Command not found
make: *** [test1] Error 127
prompt>make test2
before
/download/2011/03_mar
/tmp /download/2011/03_mar
in /tmp
/tmp
/download/2011/03_mar
after
/download/2011/03_mar
promp...
转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...r directory
[Thu Jan 12 17:11:19 2006] [notice] caught SIGTERM, shutting down
[Fri Jan 13 12:34:46 2006] [warn] Init: Session Cache is not configured [hint: SSLSessionCache]
[Fri Jan 13 12:34:46 2006] [notice] suEXEC mechanism enabled (wrapper: /usr/local/httpd/bin/suexec)
[Fri Jan 13 12:34:...
R cannot be resolved - Android error
I just downloaded and installed the new Android SDK. I wanted to create a simple application to test drive it.
108 Answers
...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
...ll Google Apps:
Upgrade Genymotion and VirtualBox to the latest version.
Download two zip files:
- ARM Translation Installer v1.1
- Google Apps for your Android version: 2.3.7 - 4.4.4 or 4.4 - 6.0 (with platform and variant) You can also find the GApps list in the wbroek user GitHubGist page.
Op...
How to hide close button in WPF window?
...an make the window movable by adding this.DragMove(); to the window's MouseDown event
– paul
Feb 20 '14 at 21:55
1
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How do I make and use a Queue in Objective-C?
...en you remove an object from index 0, every object in the array is shifted down one. Therefore, to remove a single item, it is O(n). Probably fine for small queues, which is probably 99% of the time in mobile applications, but this would be a terrible solution for large data sets in time-critical ...
Convert NaN to 0 in javascript
...t realizing it's bogus.
The way NaN works is if something goes wrong way down in some sub-sub-sub-operation (producing a NaN at that lower level), the final result will also be NaN, which you'll immediately recognize as an error even if your error handling logic (throw/catch maybe?) isn't yet comp...
Better techniques for trimming leading zeros in SQL Server?
...
Encapsulating this in a function resulted in slowing down my queries. I'm not quite sure why but I think it has to do with type conversion. Using the SUBSTRING inline was much faster.
– Ronnie Overby
Jul 26 '13 at 16:22
...
How can you do anything useful without mutable state?
...new pacman(0, 0)
while true
if key = UP then pacman.y++
elif key = DOWN then pacman.y--
elif key = LEFT then pacman.x--
elif key = UP then pacman.x++
render(pacman)
// functional version
let rec loop pacman =
render(pacman)
let x, y = switch(key)
case LEFT: pacma...
UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to
...y, you can open your file with notepad. 'Save As' and you shall see a drop-down with the encoding used
– don_Gunner94
Mar 5 at 12:11
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