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grep a file, but show several surrounding lines?
...but it can also function as a simple switch / flag (-g to enable debugging info in GCC). However spaces between options are optional, so for options without a value, it is possible to merge them (-ABC), which means that -15 is interpreted -1 -5 (two separate options) and the -5 overrides the -1.
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How to overcome root domain CNAME restrictions?
... ANAME's are nice, or you can just 301 all non-www to www. via free 301 redirection service 198.251.86.133
– Jacob Evans
Sep 22 '16 at 14:10
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Status bar won't disappear
...ctly control the status bar for each view. Turning off this option in your Info.plist will enable you to hide the status bar, at least for the current Developer Preview (4).
For reference, please take a look at the iOS 7 transition guide that's available on Apple's developer portal.
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Using Rails 3.1, where do you put your “page specific” JavaScript code?
...ing the assumption that
//= require_tree .
is required. It's not. Feel free to remove it. In my current application, the first I'm doing with 3.1.x honestly, I've made three different top level JS files. My application.js file only has
//= require jquery
//= require jquery_ujs
//= require_dire...
How to activate an Anaconda environment
...appears in the tutorials for Mac and Linux:
$ source activate py33
More info:
https://groups.google.com/a/continuum.io/forum/#!topic/anaconda/8T8i11gO39U
Does `anaconda` create a separate PYTHONPATH variable for each new environment?
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POST request via RestTemplate in JSON
...ders here
String requestJson = "{ // Construct your JSON here }";
logger.info("Request JSON ="+requestJson);
HttpEntity<String> entity = new HttpEntity<String>(requestJson, headers);
ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.POST, entity, String.clas...
What is the common header format of Python files?
...ing them in one place makes them easier to find.
Next should be authorship information. This information should follow this format:
__author__ = "Rob Knight, Gavin Huttley, and Peter Maxwell"
__copyright__ = "Copyright 2007, The Cogent Project"
__credits__ = ["Rob Knight", "Peter Maxwell", "Gavin Hu...
Difference between wait() and sleep()
...I’m done with my timeslice, but I still have work to
do.” The OS is free to immediately give the thread another timeslice,
or to give some other thread or process the CPU the yielding thread
just gave up.
wait() says “I’m done with my timeslice. Don’t give me another
timeslice...
How do I hide the status bar in a Swift iOS app?
...
Go to Info.plist file
Hover on one of those lines and a (+) and (-) button will show up.
Click the plus button to add new key Type in start with capital V and automatically the first choice will be View controller-based status bar ...
When should I use the “strictfp” keyword in java?
...s on every platform. If you don't use strictfp, the JVM implementation is free to use extra precision where available.
From the JLS:
Within an FP-strict expression, all
intermediate values must be elements
of the float value set or the double
value set, implying that the results
of all...