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How do I test if a variable is a number in Bash?
...ng else.
Negative or floating-point numbers need some additional work. An idea is to exclude - / . in the first "bad" pattern and add more "bad" patterns containing the inappropriate uses of them (?*-* / *.*.*)
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How can I apply a function to every row/column of a matrix in MATLAB?
... the box" for me, however, the following function, obtained by copying the ideas of the other answers works:
apply_func_2_cols = @(f,M) cell2mat(cellfun(f,num2cell(M,1), 'UniformOutput',0));
It takes a function f and applies it to every column of the matrix M.
So for example:
f = @(v) [0 1;1 0]...
MVC 5 Seed Users and Roles
..., "AppAdmin") I get the error message "UserId not found." If you have any idea what I'm missing I'd much appreciate the information.
– Tom Regan
Feb 9 '15 at 1:36
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MVC (Laravel) where to add logic
... I like this approach! I have been searching internet to get an idea of how i should be handling model's logic, looked over Repositories but it seemed too complicated and useless for a bit of usage. Services is a good idea. My question is after creating a folder of Services in app folder,...
Is there a way to do repetitive tasks at intervals?
...mmunity via JCSP. There is a very good presentation by Peter Welch on this idea.
This plug-and-play approach translates directly to Go, because Go uses the same Communicating Sequential Process fundamentals as does Occam.
So, when it comes to designing repetitive tasks, you can build your system a...
How to save an HTML5 Canvas as an image on a server?
...to allow users to save the resulting images from an algorithm. The general idea is:
8 Answers
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Byte array to image conversion
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While it's not normally a good idea, I put a GC.Collect() before the Memory stream. I was running out of memory when I preloaded a whole lot of large graphic files as bytearrays into memory and then turned them into images during viewing.
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Setting background colour of Android layout element
...I picked it up by accident in some external tutorials. Usually it's a good idea to browse the api samples and sample projects though. You can find the code inside the ANDROID_SDK\samples folder (for various android versions). The whole api sample app comes also preinstalled in every emulator instanc...
How to close IPython Notebook properly?
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So I assume using jupyter notebook & is a bad idea since Ctrl+C does not apply for this situation
– Naveen Dennis
Dec 9 '17 at 2:09
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How to define an enumerated type (enum) in C?
...g a naming convention to distinguish between types and variables is a good idea:
typedef enum {RANDOM, IMMEDIATE, SEARCH} strategy_type;
strategy_type my_strategy = IMMEDIATE;
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