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how to use XPath with XDocument?
...r nodes (which aren't there now but could be added by later changes to the format of the file). However your solution is surely the right one.
– Marco Mp
Feb 21 '13 at 14:12
12
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How does one make random number between range for arc4random_uniform()?
... die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too much. I tried to do this:
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Correct way to use get_or_create?
I'm trying to use get_or_create for some fields in my forms, but I'm getting a 500 error when I try to do so.
5 Answers
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What is the garbage collector in Java?
...of objects which are not being used by a Java application anymore. It is a form of automatic memory management.
When a typical Java application is running, it is creating new objects, such as Strings and Files, but after a certain time, those objects are not used anymore. For example, take a look a...
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
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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
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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...