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Check if a variable is a string in JavaScript
...fied though).
This won't work as expected in the case of strings created with new String(), but this is seldom used and recommended against[1][2]. See the other answers for how to handle these, if you so desire.
The Google JavaScript Style Guide says to never use primitive object wrappers.
Doug...
What's the rationale for null terminated strings?
...ments general rules by a few
conventions. In both BCPL and B a
string literal denotes the address of
a static area initialized with the
characters of the string, packed into
cells. In BCPL, the first packed byte
contains the number of characters in
the string; in B, there is no count
...
Creating a segue programmatically
...
By definition a segue can't really exist independently of a storyboard. It's even there in the name of the class: UIStoryboardSegue. You don't create segues programmatically - it is the storyboard runtime that creates them for you....
Why not use exceptions as regular flow of control?
...per second in the normal course of operation ?
I have.
The program was quite complex (it was a distributed calculation server), and a slight modification at one side of the program could easily break something in a totally different place.
I wish I could just have launched the program and wait fo...
Can you help me understand this? “Common REST Mistakes: Sessions are irrelevant”
...m new to the REST school of thought, and I'm trying to wrap my mind around it.
6 Answers
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Proper Repository Pattern Design in PHP?
Preface: I'm attempting to use the repository pattern in an MVC architecture with relational databases.
11 Answers
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Why does MYSQL higher LIMIT offset slow the query down?
Scenario in short: A table with more than 16 million records [2GB in size]. The higher LIMIT offset with SELECT, the slower the query becomes, when using ORDER BY *primary_key*
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Sending a message to nil in Objective-C
...entation: I wonder what " sending a message to nil " means - let alone how it is actually useful. Taking an excerpt from the documentation:
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Transposing a NumPy array
I use Python and NumPy and have some problems with "transpose":
16 Answers
16
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Asp.net MVC ModelState.Clear
Can anyone give me a succinct definition of the role of ModelState in Asp.net MVC (or a link to one). In particular I need to know in what situations it is necessary or desirable to call ModelState.Clear() .
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