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Add directives from directive in AngularJS
...o identify all registered directives and compile the directives one by one based on priority if these directives are on the same element. We set our custom directive's priority to a high number to ensure that it will be compiled first and with terminal: true, the other directives will be skipped aft...
Declaring variables inside or outside of a loop
...performance requirements instead of having to go all over your entire code base and tweak and hack things in order to squeeze clock cycles here and there.
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“Large data” work flows using pandas
...l of the fields in each file?
Do you ever select subsets of rows (records) based on criteria (e.g. select the rows with field A > 5)? and then do something, or do you just select fields A, B, C with all of the records (and then do something)?
Do you 'work on' all of your columns (in groups), or a...
php implode (101) with quotes
..."'%s'", $str);
}
$csv = implode(',', array_map('add_quotes', $array));
DEMO
Also note that there is fputcsv if you want to write to a file.
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Improve INSERT-per-second performance of SQLite
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64
On bulk inserts
Inspired by this post and by the Stack Overflow question that led me here -- I...
What is the printf format specifier for bool?
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btoa is "binary string to base 64 string" in non-standard JavaScript (Gecko and WebKit), so you might want to use a different name.
– panzi
Oct 29 '13 at 2:18
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How to create the most compact mapping n → isprime(n) up to a limit N?
...eally want speed and the range is limited, I implement a pseudo-prime test based on Fermat's little theorem. If I really want more speed (i.e. avoid O(sqrt(N)) algorithm altogether), I precompute the false positives (see Carmichael numbers) and do a binary search. This is by far the fastest test I'v...
Best way to convert an ArrayList to a string
...om the above program:
61: new #13; //class java/lang/StringBuilder
64: dup
65: invokespecial #14; //Method java/lang/StringBuilder."<init>":()V
68: aload_2
69: invokevirtual #15; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
7...
Posting a File and Associated Data to a RESTful WebService preferably as JSON
...th metadata using a REST web service?
You basically have three choices:
Base64 encode the file, at the expense of increasing the data size by around 33%, and add processing overhead in both the server and the client for encoding/decoding.
Send the file first in a multipart/form-data POST, and ret...
C/C++ with GCC: Statically add resource files to executable/library
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Update I have grown to prefer the control John Ripley's assembly .incbin based solution offers and now use a variant on that.
I have used objcopy (GNU binutils) to link the binary data from a file foo-data.bin into the data section of the executable:
objcopy -B i386 -I binary -O elf32-i386 foo-d...