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Is there a standardized method to swap two variables in Python?
... side.
http://docs.python.org/3/reference/expressions.html#evaluation-order
That means the following for the expression a,b = b,a :
the right-hand side b,a is evaluated, that is to say a tuple of two elements is created in the memory. The two element are the objects designated by the ide...
How to change the value of ${user} variable used in Eclipse templates
...ection for Maven users, giving the ability to include version, artifactId, etc. in templates.
Fortunately, EGit, which is an Eclipse tool for Git, provides very flexible means for including many different variables in code templates. The only requirement is that your project uses Git. If you don’...
Build Eclipse Java Project from Command Line
...r199 (Compiler API) and the support for jsr269 (Annotation processing). In order to use the annotations processing support, a 1.6 VM is required.
Running the batch compiler From the command line would give
java -jar org.eclipse.jdt.core_3.4.0<qualifier>.jar -classpath rt.jar A.java
or:
j...
How to select from subquery using Laravel Query Builder?
...uilder
->count();
Mind that you need to merge bindings in correct order. If you have other bound clauses, you must put them after mergeBindings:
$count = DB::table( DB::raw("({$sub->toSql()}) as sub") )
// ->where(..) wrong
->mergeBindings($sub->getQuery()) // you nee...
What is HEAD in Git?
...nce to a
commit object. Each head has a name
(branch name or tag name, etc). By
default, there is a head in every
repository called master. A repository
can contain any number of heads. At
any given time, one head is selected
as the “current head.” This head is
aliased to HEAD, a...
Test PHP headers with PHPUnit
...
I had a more radical solution, in order to use $_SESSION inside my tested/included files.
I edited one of the PHPUnit files at ../PHPUnit/Utils/Printer.php to have a "session_start();" before the command "print $buffer".
It worked for me like a charm. But I...
Confusion about vim folding - how to disable?
...en
Once you enable codefolding, you will have all the commands like zf,zo etc at your wish according to the setting of :set fdm=xxxx where typical values are expr,syntax,manual etc.
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improve...
DateTime.ToString() format that can be used in a filename or extension?
... since the list of files cannot be sorted by name to get them in date time order. Most-significant to least significant should be the order of the day.
– Bernhard Hofmann
Mar 16 '18 at 12:19
...
What's the difference between SCSS and Sass?
...in the most popular CSS frameworks like Bootstrap, Foundation, Materialize etc. The main UI frameworks favor scss over sass by default - Angular, React, Vue. Any tutorials or demos will generally use scss e.g create-react-app facebook.github.io/create-react-app/docs/…
– Drena...
SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?
...,
t2.*
from @table1 t1
full outer join @table2 t2 on t1.col1 = t2.col1
order by t1.col1, t2.col1;
/* full outer join
col1 col2 col1 col2
----------- ----------- ----------- -----------
NULL NULL 10 101
1 11 NULL NULL
2 ...