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Git on Windows: How do you set up a mergetool?
I've tried msysGit and Git on Cygwin. Both work just fine in and of themselves and both run gitk and git-gui perfectly.
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Ship an application with a database
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There are two options for creating and updating databases.
One is to create a database externally, then place it in the assets folder of the project and then copy the entire database from there. This is much quicker if the database has a lot of...
Suppress warning “Category is implementing a method which will also be implemented by its primary cl
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A category allows you to add new methods to an existing class. If you want to reimplement a method that already exists in the class, you typically create a subclass instead of a category.
Apple documentation: Customizing existing c...
What is the most accurate way to retrieve a user's correct IP address in PHP?
I know there are a plethora of $_SERVER variables headers available for IP address retrieval. I was wondering if there is a general consensus as to how to most accurately retrieve a user's real IP address (well knowing no method is perfect) using said variables?
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How was the first compiler written?
...byte values of machine code that can be directly interpreted by the processor. It is quite possible to write a program in opcodes directly by looking them up from a table (such as this one for the 6039 microprocessor, for example) that lists them with the matching assembly instructions, and hand-det...
ModelState.IsValid == false, why?
Where can I find the list of errors of which make the ModelState invalid? I didn't see any errors property on the ModelState object.
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How is AngularJS different from jQuery
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While Angular 1 was a framework, Angular 2 is a platform. (ref)
To developers, Angular2 provides some features beyond showing data on screen. For example, using angular2 cli tool can help you "pre-compile" your code and generate necessary javascript c...
How to use Global Variables in C#?
...me namespace):
String code = Globals.CODE_PREFIX + value.ToString();
In order to deal with different namespaces, you can either:
declare the Globals class without including it into a specific namespace (so that it will be placed in the global application namespace);
insert the proper using dire...
Java's L number (long) specification
...nteger's range) it will complain that 6000000000 is not an integer. To correct this, I had to specify 6000000000L . I just learned about this specification.
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system(“pause”); - Why is it wrong?
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It's frowned upon because it's a platform-specific hack that has nothing to do with actually learning programming, but instead to get around a feature of the IDE/OS - the console window launched from Visual Studio closes when the program has finished execution, a...