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Proper URL forming with Query String and Anchor Hashtag
...may be necessary to submit the page using a
<form action='webpage.php?q=string#tag' method='GET or POST'>
<input type='text' id='q' name='q' value='string'>
<input type='submit' value='submit'>
</form>
rather than just a URL link
<a href='webpage...
Returning 'IList' vs 'ICollection' vs 'Collection'
...ide whether or not your results require list semantics such as order based indexing (then use IList<T>) or whether you just need to return an unordered "bag" of results (then use ICollection<T>).
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How can I parse a YAML file from a Linux shell script?
...n to select sub-values (ie: subvalue.maintainer is a valid key).
access by index is provided to sequences (ie: subvalue.things.-1 is the last element of the subvalue.things sequence.)
access to all sequence/structs elements in one go for use in bash loops.
you can output whole subpart of a YAML fil...
How can I apply a function to every row/column of a matrix in MATLAB?
...nc, myMx)
??? Error using ==> arrayfun
Non-scalar in Uniform output, at index 1, output 1.
Set 'UniformOutput' to false.
Error in ==> @(func,matrix)arrayfun(applyToGivenRow(func,matrix),1:size(matrix,1))'
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JavaScript and Threads
...upport multiple HTML files, I will just provide the different codes here:
index.html:
//The 3 iframes containing the code (take the thread id in param)
<iframe id="threadFrame1" src="thread.html?id=1"></iframe>
<iframe id="threadFrame2" src="thread.html?id=2"></iframe>
<...
Adding div element to body or document in JavaScript
... += '<div style="position:absolute;width:100%;height:100%;opacity:0.3;z-index:100;background:#000;"></div>';
instead of
document.body.innerHTML = '<div style="position:absolute;width:100%;height:100%;opacity:0.3;z-index:100;background:#000;"></div>';
Edit:-
Ideally you ...
ActiveRecord.find(array_of_ids), preserving order
...
Oddly, no one has suggested something like this:
index = Something.find(array_of_ids).group_by(&:id)
array_of_ids.map { |i| index[i].first }
As efficient as it gets besides letting SQL backend do it.
Edit: To improve on my own answer, you can also do it like this:
S...
Practical non-image based CAPTCHA approaches?
...quite a good idea and is exactly the same as doing it in JavaScript. Good Call.
@AviD: I'm aware that this method is prone to direct attacks as I've mentioned on my blog. However, it will defend against your average spam bot which blindly submits rubbish to any form it can find.
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Rails 3 migrations: Adding reference column?
...
remember to add the index with user:integer:index
– rickypai
Dec 1 '12 at 17:40
3
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Bubble Sort Homework
... Technically, element is not an element; it's a number representing a list index. Also, it's quite long. In these cases, just use a temporary variable name, like i for "index".
for i in range(0, length):
The range command can also take just one argument (named stop). In that case, you get a list o...