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What's the difference between using INDEX vs KEY in MySQL?
I know how to use INDEX as in the following code. And I know how to use foreign key and primary key .
5 Answers
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What should a Multipart HTTP request with multiple files look like? [duplicate]
... That's probably the easiest way. 2) write your for() loop to run whatever index variable you have down to 0, instead of up from 0. Then add an extra two dashes when you print the boundary at the end if the index variable is 0.
– Daniel Martin
Oct 24 '14 at 16:...
Ignoring an already checked-in directory's contents?
...ory.
The --cached option causes the files to only be removed from git's index, not your working copy. By default git rm <file> would delete <file>.
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Convert floats to ints in Pandas?
... modifying a CSV, then: df.to_csv("path.csv",na_rep="",float_format="%.0f",index=False) But this will edit all the floats, so it may be better to convert your FK column to a string, do the manipulation, and then save.
– Ryan G
Jan 22 '14 at 19:30
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Using .otf fonts on web browsers
...ttp://www.alistapart.com/articles/cssatten
Other Info:
http://randsco.com/index.php/2009/07/04/p680
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The best way to remove duplicate values from NSMutableArray in Objective-C?
... over a copy of the array:
NSArray *copy = [mutableArray copy];
NSInteger index = [copy count] - 1;
for (id object in [copy reverseObjectEnumerator]) {
if ([mutableArray indexOfObject:object inRange:NSMakeRange(0, index)] != NSNotFound) {
[mutableArray removeObjectAtIndex:index];
}
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PHP code to remove everything but numbers
...lace('/[^0-9]/', '', '604-619-5135');
preg_replace uses PCREs which generally start and end with a /.
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What are the applications of binary trees?
...= = = =
This is typically used in maintaining keys for an index of items. I've written database software optimised for the hardware where a node is exactly the size of a disk block (say, 512 bytes) and you put as many keys as you can into a single node. The pointers in this case wer...
Simplest SOAP example
...onverts XML into easy to use JavaScript objects:
http://www.terracoder.com/index.php/xml-objectifier
The JS code above can be included in the page to meet your no external library requirement.
var symbol = "MSFT";
var xmlhttp = new XMLHttpRequest();
xmlhttp.open("POST", "http://www.webservicex.ne...
Building a minimal plugin architecture in Python
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Mine is, basically, a directory called "plugins" which the main app can poll and then use imp.load_module to pick up files, look for a well-known entry point possibly with module-level config params, and go from there. I use file-monitorin...