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Operation on every pair of element in a list
...tions as well, permutations() and combinations(). To illustrate how they differ:
product() generates every possible pairing of elements, including all duplicates:
1,1 1,2 1,3 1,4
2,1 2,2 2,3 2,4
3,1 3,2 3,3 3,4
4,1 4,2 4,3 4,4
permutations() generates all unique orderings of each un...
Reasons that the passed Intent would be NULL in onStartCommand
...incoming flags. I'm going to monitor this in the logs with the following:
if (null == intent || null == intent.getAction ()) {
String source = null == intent ? "intent" : "action";
Log.e (TAG, source + " was null, flags=" + flags + " bits=" + Integer.toBinaryString (flags));
...
How do I view 'git diff' output with my preferred diff tool/ viewer?
When I type git diff , I want to view the output with my visual diff tool of choice (SourceGear "diffmerge" on Windows). How do I configure git to do this?
...
What are the Web.Debug.config and Web.Release.Config files for?
...onfig has two additional files attached to it? Are these files used to specify debug and release specific settings, so you don't clutter up the main Web.config?
...
LINQ - Convert List to Dictionary with Value as List
...and put that grouping into a Dictionary<long,List<MyObject>>. If so then try the following
List<MyObject> list = ...;
var map = list
.GroupBy(x => x.KeyedProperty)
.ToDictionary(x => x.Key, x => x.ToList());
...
Delete all lines beginning with a # from a file
...llowed by # might also be treated as a comment:
grep -v '^ *#' filename
if whitespace is only spaces, or
grep -v '^[ ]#' filename
where the two spaces are actually a space followed by a literal tab character (type "control-v tab").
For all these commands, omit the filename argument to read f...
The command rbenv install is missing
...stall ruby-build
# Building ruby-build form Ports will install rbenv only if the RBENV option is set
cd /usr/ports/devel/ruby-build
make install
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How to run a shell script at startup
...executable with:
chmod +x /etc/init.d/start_my_app
Thanks to @meetamit, if this does not run you have to create a symlink to /etc/rc.d/
ln -s /etc/init.d/start_my_app /etc/rc.d/
Please note that on latest Debian, this will not work as your script have to be LSB compliant (provide, at least, th...
How to change an Android app's name?
... By changing the android:label field in your application node in AndroidManifest.xml.
Note: If you have added a Splash Screen and added
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNC...
How to change a span to look like a pre with CSS?
...
@shindigo Have you tried using overflow: scroll? Or if you only want horizontal scrolling overflow-x: scroll developer.mozilla.org/en-US/docs/Web/CSS/overflow
– Kanmuri
Sep 3 '14 at 17:06
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