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What exactly do “u” and “r” string flags do, and what are raw string literals?
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Just tested r strings and noticed that if \ is the last character it will not be taken as a literal but instead escapes the closing quote, causing SyntaxError: EOL while scanning string literal. So \\ still must be used for the ...
Align button at the bottom of div using CSS
...ere's too much confusion here. You should post your HTML/CSS as a jsFiddle test case.
– thirtydot
Apr 28 '11 at 10:50
1
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Is there a performance difference between a for loop and a for-each loop?
... using strings.get(i) */ }
Now the actual two cents: At least when I was testing these, the third one was the fastest when counting milliseconds on how long it took for each type of loop with a simple operation in it repeated a few million times - this was using Java 5 with jre1.6u10 on Windows in...
How to use RSpec's should_raise with any kind of exception?
...s gives you a hint that your code may fail with a different error than the test intended to check.
WARNING: Using the raise_error matcher without providing a specific error or message risks false positives, since raise_error will match when Ruby raises a NoMethodError, NameError or ArgumentError...
How to import existing *.sql files in PostgreSQL 8.4?
...solute URL. For me on Windows, this commandline worked: \i /tmp/robert/test.sql of course you must have valid SQL commands in that file.
– shevy
Feb 6 '14 at 12:26
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How to compare arrays in JavaScript?
... false;
}
else if (this[i] != array[i]) {
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I made a little test tool for both of the functions.
Bonus: Nested arrays with indexOf and contains
Samy Bencherif has prepared useful functions for the case you're searching for a specific object in nested arrays, which are available here: ...
Dynamically load JS inside JS [duplicate]
...le
you have to use the getScript to load the js file
$.getScript("ajax/test.js", function(data, textStatus, jqxhr) {
console.log(data); //data returned
console.log(textStatus); //success
console.log(jqxhr.status); //200
console.log('Load was performed.');
});
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Microsoft CDN for jQuery or Google CDN? [closed]
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It probably doesn't matter, but you could validate this with some A/B testing. Send half of your traffic to one CDN, and half to the other, and set up some profiling to measure the response. I would think it more important to be able to switch easily in case one or the other had some serious un...
Red black tree over avl tree
...ees but red-black trees are consistently slower by about 20% in real world tests. Or even 30-40% slower when sequential data is inserted.
So people who have studied red-black trees but not AVL trees tend to choose red-black trees. The primary uses for red-black trees are detailed on the Wikipedia ...
How to convert lazy sequence to non-lazy in Clojure
...alk)
(postwalk identity nested-lazy-thing)
I found this useful in a unit test where I wanted to force evaluation of some nested applications of map to force an error condition.
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