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Understanding NSRunLoop
...d will wait until one or more of its input sources has some data or event, then fire the appropriate input handler(s) to process each input source that is "ready.".
After doing so, it will then return to its loop, processing input from various sources, and "sleeping" if there is no work to do.
Tha...
Class Not Found Exception when running JUnit test
...like this).
If you run mvn test, the test code will compile as well, but then it runs the tests (which may not be immediately desirable if you're trying to run them through Eclipse.) The way around this is to add test-compile to your Maven command sequence whenever you do a mvn clean. For example,...
How do I revert a Git repository to a previous commit?
... a different commit
If you want to temporarily go back to it, fool around, then come back to where you are, all you have to do is check out the desired commit:
# This will detach your HEAD, that is, leave you with no branch checked out:
git checkout 0d1d7fc32
Or if you want to make commits while yo...
“No X11 DISPLAY variable” - what does it mean?
...
If you're on the main display, then
export DISPLAY=:0.0
or if you're using csh or tcsh
setenv DISPLAY :0.0
before running your app.
Actually, I'm surprised it isn't set automatically. Are you trying to start this application from a non-graphic term...
How To Get IPython Notebook To Run Python 3?
...my MAC 10.9, I did the following steps
$ sudo pip3 install ipython[all]
Then
$ ipython3 notebook
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How do I get my Python program to sleep for 50 milliseconds?
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import pyautogui
pyautogui._autoPause(0.05,False)
if first is not None, then it will pause for first arg second, in this example:0.05 sec
if first is None, and second arg is True, then it will sleep for global pause setting which is set with
pyautogui.PAUSE = int
if you are wondering the reas...
doGet and doPost in Servlets
...the same result everytime you execute the request (leaving authorization/authentication and the time-sensitive nature of the page —search results, last news, etc— outside consideration). We can talk about a bookmarkable request. Clicking a link, clicking a bookmark, entering raw URL in browser a...
How to add text at the end of each line in Vim?
... can specify them in place of the %.
One way is to do a visual select and then type the :. It will fill in :'<,'> for you, then you type the rest of it (Notice you only need to add s/$/,/)
:'<,'>s/$/,/
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Putting a simple if-then-else statement on one line [duplicate]
...rseness of the syntax. However, is there an easier way of writing an if - then - else statement so it fits on one line?
5...
Are global variables bad? [closed]
...e intent of the programmer is made clearer by the use of global variables, then go ahead. However, remember the drop in clarity that automatically ensues when you force someone to access a second piece of code (the globals) to understand how the first piece works.
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