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Differences between Emacs and Vim
Without getting into a religious argument about why one is better than the other, what are the practical differences between Emacs and Vim? I'm looking to learn one or the other, but I realize the learning curve for each is high and I can't decide. I have never used an editor of this type (I've al...
AngularJS : When to use service instead of factory
...value that is returned by
invoking the function reference (the return statement in factory).
ref: angular.service vs angular.factory
Second:
Keep in mind all providers in AngularJS (value, constant, services, factories) are singletons!
Third:
Using one or the other (service or factory) is a...
'const string' vs. 'static readonly string' in C#
...ou use a const string, the compiler embeds the string's value at compile-time.
Therefore, if you use a const value in a different assembly, then update the original assembly and change the value, the other assembly won't see the change until you re-compile it.
A static readonly string is a normal f...
What is the use of ObservableCollection in .net?
...he collection has changed and then react through the event handler to do some additional processing. This may be changing a UI or performing some other operation.
The code below doesn't really do anything but demonstrates how you'd attach a handler in a class and then use the event args to react i...
Postgres: “ERROR: cached plan must not change result type”
...ostgreSQL 8.3.7 server to my application.
Does anyone know what this error means and what I can do about it?
3 Answers
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Difference between Hive internal tables and external tables?
Can anyone tell me the difference between Hive's external table and internal tables.
I know the difference comes when dropping the table. I don't understand what you mean by the data and metadata is deleted in internal and only metadata is deleted in external tables.
Can anyone explain me in terms o...
How do I rename all files to lowercase?
I have for example TREE.wav, ONE.WAV. I want to rename it to tree.wav, one.wav. How do I rename all files to lowercase?
4 ...
Clean ways to write multiple 'for' loops
For an array with multiple dimensions, we usually need to write a for loop for each of its dimensions. For example:
16 An...
Unnecessary curly braces in C++?
...
It's sometimes nice since it gives you a new scope, where you can more "cleanly" declare new (automatic) variables.
In C++ this is maybe not so important since you can introduce new variables anywhere, but perhaps the habit is from...
How to have an auto incrementing version number (Visual Studio)? [duplicate]
I want to store a set of integers that get auto incremented at build time:
9 Answers
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