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How do I copy a hash in Ruby?
...oning a hash is preventing modification of the original (for immutability, etc).
– K. Carpenter
Feb 10 '15 at 2:24
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How to output messages to the Eclipse console when developing for Android
...methods depending on the severity of the message (error, verbose, warning, etc..).
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How to use an existing database with an Android application [duplicate]
...he database in the assets folder, so for example, if your database name is ordersDB, then the value of DB_NAME will be ordersDB,
private static String DB_NAME ="ordersDB";
Keep the database in assets folder and then follow the below:
DataHelper class:
import java.io.File;
import java.io.FileO...
How do I render a partial of a different format in Rails?
...at, whereas the simple approach specifies the template engine (ERB/builder/etc) as well.
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Rails: How does the respond_to block work?
... a bit. The entire class (responder) becomes the method implementation. In order to leverage method_missing, we need an instance of the class, so we're obliged to pass a callback into which they pass the method-like object. For someone who has coded in C-like languages for 20 some years, this is ver...
Multiple Inheritance in PHP
...le as having an abstract Tracing class with static methods Debug, SendSMS, etc., which can then be called from within any other class with Tracing::SendSMS() etc. Your other classes are not 'types of' of Tracing, they 'use' Tracing. Note: some people may prefer a singleton over static methods; I pre...
Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
...ical: should the row names be in ascending (FALSE) or in descending (TRUE) order?
#' @param coldecreasing logical: should the col names be in ascending (FALSE) or in descending (TRUE) order?
#' @param default_value numeric: default value of matrix entries if no value exists in data.frame for the ent...
When use getOne and findOne methods Spring Data JPA
...ockModeType();
Map<String, Object> hints = getQueryHints().withFetchGraphs(em).asMap();
return Optional.ofNullable(type == null ? em.find(domainType, id, hints) : em.find(domainType, id, type, hints));
}
And here em.find() is an EntityManager method declared as :
public <T> ...
Clang optimization levels
On gcc, the manual explains what -O3 , -Os , etc. translate to in terms of specific optimisation arguments ( -funswitch-loops , -fcompare-elim , etc.)
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How to stop text from taking up more than 1 line?
...ments" comment is right. If you try this in an anchor, paragraph, heading, etc, this does not work. You need to do something like p.oneline { white-space:nowrap; overflow:hidden; display:block;}
– Alex Angelico
May 11 '17 at 13:33
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