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What is the advantage of using forwarding references in range-based for loops?
...
Using auto&& or universal references with a range-based for-loop has the advantage that you captures what you get. For most kinds of iterators you'll probably get either a T& or a T const& for some type T. The interesting case is where dereferencing an iterator yield...
Set Locale programmatically
...ocale change in higher API versions. If so, add the following code to your Base Activity so that you update the context locale on every Activity creation:
@Override
protected void attachBaseContext(Context base) {
super.attachBaseContext(updateBaseContextLocale(base));
}
private Context updat...
Token Authentication vs. Cookies
... Agreed with Michael Johnston. This answer keeps explaining what token-based authentication is but actually did not answer the question. The closest relevant info I can see is in the last bit "because of the nature of the ember.js framework and also because it fits more with the statefull web ap...
How do you see recent SVN log entries?
... order:
svn log -r HEAD:1
To list everything from the thirteenth to the base of the currently checked-out revision in ascending order:
svn log -r 13:BASE
To get everything between the given dates:
svn log -r {2011-02-02}:{2011-02-03}
You can combine all the above expressions with the --limi...
How do you manually execute SQL commands in Ruby On Rails using NuoDB
...nd I'm using to execute custom SQL statements is:
results = ActiveRecord::Base.connection.execute("foo")
with "foo" being the sql statement( i.e. "SELECT * FROM table").
This command will return a set of values as a hash and put them into the results variable.
So on my rails application_control...
Converting pixels to dp
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@MuhammadBabar This is because 160 dpi (mdpi) is the baseline desity from which other densities are calculated. hdpi for instance is considered to be 1.5x the density of mdpi which is really just another way of saying 240 dpi. See Zsolt Safrany's answer below for all densities....
Which way is best for creating an object in JavaScript? Is `var` necessary before an object property
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There is various way to define a function. It is totally based upon your requirement. Below are the few styles :-
Object Constructor
Literal constructor
Function Based
Protoype Based
Function and Prototype Based
Singleton Based
Examples:
Object constructor
var person = ne...
How to assign text size in sp value using java code
... true, documentation says may be adjusted in smaller increments at runtime based on a user preference for the font size so the font size will be taken into account.
– Luca Vitucci
Dec 14 '15 at 10:35
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Why is GHC so large/big?
...es that come together it takes over 500 MB. And yes, it's a lot, even with base libraries and a build tool/dependency manager. Java development platform is smaller.
GHC:
$ aptitude show ghc6 | grep Size
Uncompressed Size: 388M
against OpenJDK withdependencies:
$ aptitude show openjdk-6-jdk open...
Efficiently updating database using SQLAlchemy ORM
...on. Basically, from one side, ORM data modifications will only hit the database when you flush the changes from your session. From the other side, SQL data manipulation statements don't affect the objects that are in your session.
So if you say
for c in session.query(Stuff).all():
c.foo = c.fo...