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Aspect Oriented Programming vs. Object-Oriented Programming
...a newbie to the project might wonder "Where do all these log messages come from? I don't see any log output in the code", but that is not a huge problem. Changes he makes to the program logic will hardly break the log facility and changes made to the log facility will hardly break his program logic ...
how to add records to has_many :through association in rails
...ay' depends on your needs and what feels most comfortable. Confusion comes from differences ActiveRecord's behavior of the new and create methods and the << operator.
The new Method
new will not add an association record for you. You have to build the House and Agent records yourself:
hous...
force Maven to copy dependencies into target/lib
...n will generate a complete JAR file with all your classes plus the classes from any dependencies.
If you want to simply pull your dependencies into the target directory interactively, then use the dependency plugin to copy your files in.
If you want to pull in the dependencies for some other type of...
Convert NSData to String?
... Because the people that are here are converting a data response from a server to a string.
– Necro
Nov 21 '13 at 4:58
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Is it possible to use a div as content for Twitter's Popover
... now, when i scroll over the popover text a popover appears with just text from the <a> 's data-content attribute. I was wondering if there was anyway to put a <div> inside the popover. Potentially, I would like to use php and mysql in there, but if i could get a div to work i thi...
Git command to display HEAD commit id?
... using these commands in a (large) git repo, I get two lines from git show-ref --heads and 6290 lines from git show-ref --head. so if you want just a single hash, this gives maybe not the intended result.
– Remigius Stalder
Jun 15 '17 at 8:47
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What's the best way to get the current URL in Spring MVC?
...UriComponentsBuilder and its static methods:
ServletUriComponentsBuilder.fromCurrentContextPath()
ServletUriComponentsBuilder.fromCurrentServletMapping()
ServletUriComponentsBuilder.fromCurrentRequestUri()
ServletUriComponentsBuilder.fromCurrentRequest()
They use RequestContextHolder under the h...
Why is a div with “display: table-cell;” not affected by margin?
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Cause
From the MDN documentation:
[The margin property] applies to all elements except elements with
table display types other than table-caption, table and inline-table
In other words, the margin property is not applicable...
Understanding repr( ) function in Python
...n thing is that you get a fairly good idea of the type and logical "value" from looking the the repr output.
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When is it better to use String.Format vs string concatenation?
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My initial preference (coming from a C++ background) was for String.Format. I dropped this later on due to the following reasons:
String concatenation is arguably "safer". It happened to me (and I've seen it happen to several other developers) to remove...