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What does (function($) {})(jQuery); mean?
...efine inside that function remains local to that function and inaccessible from the outside world (unless you specifically expose it - usually via a returned object literal).
A variation of this basic form is what you see in jQuery plugins (or in this module pattern in general). Hence:
(function($...
Why does ~True result in -2?
...(which would be some sort of intermediate or operation level code compiled from the source).
– Patrick M
Feb 19 '14 at 15:53
5
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How do I verify that an Android apk is signed with a release certificate?
...e fixed in the next version. The workaround until then is to use apksigner from 25.0.3.
– friederbluemle
Jun 29 '17 at 2:50
2
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Is there a TRY CATCH command in Bash
...
# this subshell is a scope of try
# try
(
# this flag will make to exit from current subshell on any error
# inside it (all functions run inside will also break on any error)
set -e
a
b
# do more stuff here
)
# and here we catch errors
# catch
errorCode=$?
if [ $errorCode -ne 0 ]; then
...
How to write a test which expects an Error to be thrown in Jasmine?
...h expects an error. At the moment I'm using a Jasmine Node.js integration from GitHub .
9 Answers
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Mockito: List Matchers with generics
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Matchers is now deprecated, here's the info from mockito "Use ArgumentMatchers. This class is now deprecated in order to avoid a name clash with Hamcrest org.hamcrest.Matchers class. This class will likely be removed in version 3.0." static.javadoc.io/org.mockito/moc...
In Postgresql, force unique on combination of two columns
...ry key over unique here, because we do not allow NULL values in this case. From the PostgeSQL docs: "Note that a unique constraint does not, by itself, provide a unique identifier because it does not exclude null values.)" postgresql.org/docs/8.1/static/ddl-constraints.html#AEN2038
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How does Junit @Rule work?
...After gives opportunities for better code reuse; the same rule can be used from two different test classes.
The design was based upon: Interceptors in JUnit
For more information see JUnit wiki : Rules.
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Performance - Date.now() vs Date.getTime()
... t1 = Date.now();
var t2 = new Date().getTime();
However, the time value from any already-created Date instance is frozen at the time of its construction (or at whatever time/date it's been set to). That is, if you do this:
var now = new Date();
and then wait a while, a subsequent call to now.g...
Function passed as template argument
...stantiated code for do_op with fadd looks something like:
convert a and b from int to float.
call the function ptr op with float a and float b.
convert the result back to int and return it.
By comparison, our by-value case requires an exact match on the function arguments.
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