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What does the forward slash mean in the CSS font shorthand?
..., 18px is the line height.
The syntax is based on typographical notation for specifying the respective sizes, and is only applicable to the font shorthand property. In other words, the above declaration simply expands to the following:
font-size: 12px;
line-height: 18px;
As always, if you set th...
How to keep Maven profiles which are activeByDefault active even if another profile gets activated?
...You should then be able to deactivate the profile with -DskipFirstProfile
or with -P !firstProfile, but otherwise the profile will be active.
See: Maven: The Complete Reference, Profile Activation - Activation by the Absence of a Property
...
Default template arguments for function templates
...ates? Why can't we define a default type in a member function template? For example:
5 Answers
...
Get generic type of java.util.List
...then you can get them with a little help of reflection:
package test;
import java.lang.reflect.Field;
import java.lang.reflect.ParameterizedType;
import java.util.ArrayList;
import java.util.List;
public class Test {
List<String> stringList = new ArrayList<String>();
List<...
What do these words mean in Git: Repository, fork, branch, clone, track?
...ar on the semantics here. They're all about copies/variants of a code+history unit, but past that I'm not sure I could say. Is this logical structure explained somewhere?
...
Laravel Schema onDelete set null
...ure out how to set proper onDelete constraint on a table in Laravel. (I'm working with SqLite)
4 Answers
...
How to create an infinite loop in Windows batch file?
...out using good(?) old goto?
:loop
echo Ooops
goto loop
See also this for a more useful example.
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Rails: update_attribute vs update_attributes
...te. On clicking show source you will get following code
# File vendor/rails/activerecord/lib/active_record/base.rb, line 2614
2614: def update_attribute(name, value)
2615: send(name.to_s + '=', value)
2616: save(false)
2617: end
and now refer update_attributes a...
Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
...ake a list containing names. This list should be modifiable (add, delete, sort, etc). However, whenever I tried to change the items in the ArrayAdapter, the program crashed, with java.lang.UnsupportedOperationException error. Here is my code:
...
Swift and mutating struct
...
The mutability attribute is marked on a storage (constant or variable), not a type. You can think struct has two modes: mutable and immutable. If you assign a struct value to an immutable storage (we call it let or constant in Swift) the value becomes immutable mode...