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How can I select rows with most recent timestamp for each key value?
...SELECT MAX(timestamp) FROM sensorTable s2 WHERE s1.sensorID = s2.sensorID)
ORDER BY sensorID, timestamp;
Pretty self-explaining I think, but here's more info if you wish, as well as other examples. It's from the MySQL manual, but above query works with every RDBMS (implementing the sql'92 standard...
Mac zip compress without __MACOSX folder?
...e zip file. Likewise, Mac tools will consume the __MACOSX/ subdirectory in order to set resource forks, and you'll never even see it. However, if you use Mac tools to create the zip file and some other tools to unpack it, you'll get the __MACOSX/ directory and not the resource forks. If you create t...
How to get function parameter names/values dynamically?
...e minified name is. Angular gets around this by allowing you to pass in an ordered array of strings that matches the order of the arguments when registering them with the DI container. So on with the solution:
var esprima = require('esprima');
var _ = require('lodash');
const parseFunctionArgumen...
In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
...ectly. Here's a good link to more symbols: danshort.com/HTMLentities/index.php?w=dingb
– Nathan Prather
Aug 26 '12 at 15:25
1
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Finding the source code for built-in Python functions?
...is a string, the return value is the same object.
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| Method resolution order:
| str
| basestring
| object
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| Methods defined here:
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| __add__(...)
| x.__add__(y) <==> x+y
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| __contains__(...)
| x.__contains__(y) <==> y in x
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| __eq__(...)...
Testing Abstract Classes
How do I test the concrete methods of an abstract class with PHPUnit?
6 Answers
6
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Hyphen, underscore, or camelCase as word delimiter in URIs?
...RL for a query of ?q=foo+bar
I really hope you do not consider executing a PHP call to any arbitrary string the user passes in to the address bar, as @ServAce85 suggests!
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Best way to store password in database [closed]
...ssword: Best Practices?
Is it ever ok to store password in plain text in a php variable or php constant?
To clarify a bit further on the salting bit, the danger with simply hashing a password and storing that is that if a trespasser gets a hold of your database, they can still use what are known a...
iOS 7 status bar back to iOS 6 default style in iPhone app?
...rate: there is no way to return to iOS 6 style status bar layout logic. In order to approximate this, you have to move all the view controllers of your app into a container view that is offset by 20 points from the top of the screen, leaving an intentionally black view behind the status bar to simul...
When is CRC more appropriate to use than MD5/SHA1?
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I ran every line of this PHP code in 1.000.000 loop. Results are in comments (#).
hash('crc32', 'The quick brown fox jumped over the lazy dog.');# 750ms 8 chars
hash('crc32b','The quick brown fox jumped over the lazy dog.');# 700ms 8 chars
has...