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Array vs. Object efficiency in JavaScript
I have a model with possibly thousands of objects. I was wondering what would be the most efficient way of storing them and retrieving a single object once I have it's id. The id's are long numbers.
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How do I fix the error 'Named Pipes Provider, error 40 - Could not open a connection to' SQL Server'
I can't seem to connect to my database from a site. I get this error:
32 Answers
32
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What is the meaning of symbol $ in jQuery?
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edited Mar 26 '15 at 12:47
Peter Mortensen
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How to assign from a function which returns more than one value?
... list[...]<- I had posted this over a decade ago on r-help. Since then it has been added to the gsubfn package. It does not require a special operator but does require that the left hand side be written using list[...] like this:
library(gsubfn) # need 0.7-0 or later
list[a, b] <- functionR...
Download large file in python with requests
Requests is a really nice library. I'd like to use it for download big files (>1GB).
The problem is it's not possible to keep whole file in memory I need to read it in chunks. And this is a problem with the following code
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Is it possible to simulate key press events programmatically?
Is it possible to simulate key press events programmatically in JavaScript?
23 Answers
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Array Size (Length) in C#
How can I determine size of an array (length / number of items) in C#?
9 Answers
9
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Is there a difference between foreach and map?
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Different.
foreach iterates over a list and applies some operation with side effects to each list member (such as saving each one to the database for example)
map iterates over a list, transforms each member of that list, and returns another l...
How do I trigger the success callback on a model.save()?
...I thought that backbone always sent the whole model back during save (that it's not possible to send partial model updates). So what is the purpose of the attribute name-values? (2) What if you just want to save the model after performing some .set()s - why the attribute list? (3) In the docs, the ...
How to save a PNG image server-side, from a base64 data string
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You need to extract the base64 image data from that string, decode it and then you can save it to disk, you don't need GD since it already is a png.
$data = 'data:image/png;base64,AAAFBfj42Pj4';
list($type, $data) = explode(';', $data);
list(, $data) = explode(',', $data);
$data = base...