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How to make a new List in Java
... up the list interface in the Java documentation to get a definite list of all the classes that implement List: docs.oracle.com/javase/7/docs/api/java/util/List.html
– David Mason
Jun 10 '14 at 14:10
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Is it possible to create a multi-line string variable in a Makefile
...onment variable (NOT a make variable). For example:
export ANNOUNCE_BODY
all:
@echo "$$ANNOUNCE_BODY"
Note the use of $$ANNOUNCE_BODY, indicating a shell environment variable reference, rather than $(ANNOUNCE_BODY), which would be a regular make variable reference. Also be sure to use quote...
Using String Format to show decimal up to 2 places or simple integer
...
This isn't really the question that was asked -- but had it been -- why not just use string.Format("{0:0.00}").Replace(".00", "")?
– BrainSlugs83
Dec 10 '13 at 22:28
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A Java collection of value pairs? (tuples?)
... clear that the Pair class is never going to have any logic associated and all clients will need access to 'left' and 'right,' so why not make it easy?
– Outlaw Programmer
Feb 6 '09 at 17:39
...
Reset identity seed after deleting records in SQL Server
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If the table is empty, such as if you just called TRUNCATE, then the new seed value should be the value to next use (i.e. 1 not 0). If the table is not empty it will use the new_reseed_value + 1. MSDN
– kjbartel
Jan 28 '15 at 8:04...
is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
...
Guava has a method that does something similar called MoreObjects.firstNonNull(T,T).
Integer x = ...
int y = MoreObjects.firstNonNull(x, -1);
This is more helpful when you have something like
int y = firstNonNull(calculateNullableValue(), -1);
since it saves you from...
Can I apply a CSS style to an element name?
...ute selectors: http://www.css3.info/preview/attribute-selectors/
/* turns all input fields that have a name that starts with "go" red */
input[name^="go"] { color: red }
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What's a monitor in Java?
...
A monitor is mechanism to control concurrent access to an object.
This allows you to do:
Thread 1:
public void a()
{
synchronized(someObject) {
// do something (1)
}
}
Thread 2:
public void b()
{
synchronized(someObject) {
// do something else (2)
}
}
This ...
@import vs #import - iOS 7
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It's a new feature called Modules or "semantic import". There's more info in the WWDC 2013 videos for Session 205 and 404. It's kind of a better implementation of the pre-compiled headers. You can use modules with any of the system frameworks in...
How to remove a key from Hash and get the remaining hash in Ruby/Rails?
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To add to Fryie's answer, you don't even need to load all of ActiveSupport; you can just include them then require "active_support/core_ext/hash/except"
– GMA
May 13 '16 at 7:33
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