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When someone writes a new programming language, what do they write it IN?
...t has to be written... this is a brilliant brilliant answer in all shapes, forms and information :-)
– Lukáš Řádek
Jan 28 '17 at 0:36
...
Explain the encapsulated anonymous function syntax
...e grammar of a FunctionDeclaration looks like this:
function Identifier ( FormalParameterListopt ) { FunctionBody }
And FunctionExpressions:
function Identifieropt ( FormalParameterListopt ) { FunctionBody }
As you can see the Identifier (Identifieropt) token in FunctionExpression is optional,...
POST JSON to API using Rails and HTTParty
...
I solved this by adding .to_json and some heading information
@result = HTTParty.post(@urlstring_to_post.to_str,
:body => { :subject => 'This is the screen name',
:issue_type => 'Application Problem',
:status => 'Open',
...
Will strlen be calculated multiple times if used in a loop condition?
...d is far more preferable since that's essentially the loop that will be performed by strlen anyway.
– mlibby
Jul 6 '12 at 15:35
26
...
Git diff to show only lines that have been modified
...lly be used as patches to source files, which is impossible without that information. The only way to remove it would be to post-process it yourself, such as via git diff | egrep "^(\+|-) ".
– Chris Hayes
Sep 15 '13 at 9:23
...
Why do we not have a virtual constructor in C++?
...tors?
A virtual call is a mechanism to get work done given partial
information. In particular, "virtual" allows us to call a function
knowing only any interfaces and not the exact type of the object. To
create an object you need complete information. In particular, you
need to know the e...
What resources are shared between threads?
...ads exist as subsets of a
process
processes carry considerable state information, whereas multiple threads
within a process share state as well
as memory and other resources
processes have separate address spaces, whereas threads share their
address space
processes interact only throug...
Reload django object from database
...a test for this use case: 1: Initialize a model; 2: Update the Model via a Form; 3: Test that the new value is updated.... So yeah, error prone.
– vlad-ardelean
Oct 6 '14 at 9:06
3...
Nested or Inner Class in PHP
...ode.
A nested class usually relates to it's parent class and together form a "package"
In PHP
You can have similar behavior in PHP without nested classes.
If all you want to achieve is structure/organization, as Package.OuterClass.InnerClass, PHP namespaces might sufice. You can even decla...
Remove a character from the end of a variable
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