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What does a tilde do when it precedes an expression?
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Is nasty the right word? If it works I'd just call it an idiom of the language. There's many idioms. Once you learn them they are not unclear. List comprehensions are not clear in Python if you don't know them and can be accomplished with more verbose loops but you'd nev...
Why aren't Java Collections remove methods generic?
...on, it is possible to have a Map<ArrayList, Something> and for me to call remove() with a LinkedList as argument, and it should remove the key which is a list with the same contents. This would not be possible if remove() were generic and restricted its argument type.
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How to print SQL statement in codeigniter model
... when i use $this->db->_compile_select(); i get Fatal error: Call to protected method CI_DB_active_record::_compile_select() from
– Angelin Nadar
Dec 19 '12 at 13:41
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How to send password securely over HTTP?
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@BornToCode This technically means you need to have a dedicated IP and you need to own the server hardware (or at least a VPS) to use HTTPS. Shared webhosts cannot do HTTPS, unless the entire server is protected with the host owner's certificate.
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A variable modified inside a while loop is not remembered
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processes. It affects all commands run in pipelines, not just
simple calls to read. For example, piping a command's output
into a while loop that repeatedly calls read will result in
the same behavior.
Each element of a pipeline, even a builtin or shell function,
runs in a separate...
Android Whatsapp/Chat Examples [closed]
...ce to understand how chat applications are programmed.
There is a website called Scringo. These awesome people provide their own SDK which you can integrate in your existing application to exploit cool features like radaring, chatting, feedback, etc. So if you are looking to integrate chat in appli...
Algorithm to detect intersection of two rectangles?
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Basically look at the following picture:
If the two boxes collide, the lines A and B will overlap.
Note that this will have to be done on both the X and the Y axis, and both need to overlap for the rectangles to collide.
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Fastest Way to Find Distance Between Two Lat/Long Points
... -10 units).
Actually, you only need two points, top left and bottom right call them (X1, Y1) and (X2, Y2)
Now your SQL statement use these points to exclude rows that definitely are more than 10u from your given point, it can use indexes on the latitudes & longitudes, so will be orders of magn...
Why should a function have only one exit-point? [closed]
...point" lies in understanding that what matters is that for each particular call to a normal function, the exit point is the point immediately after the call. Programmers nowadays take that for granted, but things were not always thus. In some rare cases code may have to get by without stack space,...
Is JavaScript an untyped language?
I've found that some people call JavaScript a "dynamically, weakly typed" language, but some even say "untyped"? Which is it really?
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