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Why fragments, and when to use fragments instead of activities?
...tures like the ActionBar, with tabs, overflow, split action bar, viewpager etc.
Bonus 2
The best way to communicate between fragments are intents. When you press something in a Fragment you would typically call StartActivity() with data on it. The intent is passed on to all fragments of the a...
Do sessions really violate RESTfulness?
...ssions. Like reading the name and email address, or listing their friends, etc... After allowing a 3rd party client the server will generate an access token. These access token can be used by the 3rd party client to access the permissions granted by the user, like so:
Figure 2. - Stateless auth...
How can I maximize the editor pane in IntelliJ IDEA?
...-M on eclipse maximizes any pane--the project explorer, todo list (tasks), etc.
– Jeff Axelrod
Jun 12 '12 at 13:48
19
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Dynamically updating plot in matplotlib
...
In order to do this without FuncAnimation (eg you want to execute other parts of the code while the plot is being produced or you want to be updating several plots at the same time), calling draw alone does not produce the plot ...
Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
...d a file called 01_files.config with the following contents:
files:
"/etc/nginx/conf.d/proxy.conf" :
mode: "000755"
owner: root
group: root
content: |
client_max_body_size 20M;
This generates a proxy.conf file inside of the /etc/nginx/conf.d director...
Deprecation warning when using has_many :through :uniq in Rails 4
...le, this:
has_many :donors, :through => :donations, :uniq => true, :order => "name", :conditions => "age < 30"
becomes:
has_many :donors, -> { where("age < 30").order("name").uniq }, :through => :donations
...
How do I find the next commit in git? (child/children of ref)
... E -> F
\ /
D1 -> D2 ----/
The ordering of commits is done by "topo-order" or "date-order" (see GitPro book)
But since Git1.6.0, you can list the children of a commit.
git rev-list --children
git log --children
Note: for parent commits, you have the ...
Building vs. Compiling (Java)
...s.
Compiling test sources.
Executing tests (unit tests, integration tests, etc).
Packaging (into jar, war, ejb-jar, ear).
Running health checks (static analyzers like Checkstyle, Findbugs, PMD, test coverage, etc).
Generating reports.
So as you can see, compiling is only a (small) part of the buil...
How to use enums in C++
..., Monday, Tuesday, Wednesday, Thursday, Friday };
Now, Saturday, Sunday, etc. can be used as top-level bare constants,and Days can be used as a type:
Days day = Saturday; // Days.Saturday is an error
And similarly later, to test:
if (day == Saturday)
// ...
These enum values are like b...
Google App Engine: Is it possible to do a Gql LIKE query?
...%")
You can do something like a startWith, or endWith if you reverse the order when stored and searched. You do a range query with the starting value you want, and a value just above the one you want.
String start = "foo";
... = ofy.query(MyEntity.class).filter("field >=", start).filter("...