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Why is require_once so bad to use?
...e not performing any kind of extra checks such as using realpath. It's not comparing two things that are truly the same.
– jgmjgm
Jul 11 '17 at 15:07
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...
javascript: recursive anonymous function?
... with various implementations of Javascript. (note — that's a fairly old comment; some/many/all of the problems described in Kangax's blog post may be fixed in more modern browsers.)
When you give a name like that, the name is not visible outside the function (well, it's not supposed to be; that'...
How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
...ayout does. The way autolayout works is that in layoutSubviews the runtime comes dashing through all the constraints and setting the frames of all the views accordingly.
In other words, the constraints are not magic; they are just a to-do list. layoutSubviews is where the to-do list gets done. And ...
INNER JOIN vs LEFT JOIN performance in SQL Server
I've created SQL command that uses INNER JOIN on 9 tables, anyway this command takes a very long time (more than five minutes). So my folk suggested me to change INNER JOIN to LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got si...
How to highlight text using javascript
... for multiple occurrences (not relevant for the question, but was asked in comments) you simply add global on the replace regular expression.
"the fox jumped over the other fox".replace(/fox/g,"<span>fox</span>");
Hope this helps to the intrigued commenters.
Replacing the HTML to th...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...iew
if(filterPredicate)
{
filterPredicate = [NSCompoundPredicate andPredicateWithSubpredicates:[NSArray arrayWithObjects:filterPredicate, [NSCompoundPredicate orPredicateWithSubpredicates:predicateArray], nil]];
}
else
{
filterPredicate...
What is the real overhead of try/catch in C#?
...isn't a good way of controlling process flow, but where does this overhead come from and what is it's actual impact?
12 Ans...
What's the fastest way to merge/join data.frames in R?
...low we illustrate these points.
Its worthwhile to notice that the precise computation can make a huge difference on which package is fastest. For example, we do a merge and an aggregate below. We see that the results are nearly reversed for the two. In the first example from fastest to slowest w...
What is in your Mathematica tool bag? [closed]
...electEquivalents[hamlst,
#[[;; 3]] &,
#[[{4, 5}]] -> (Complex @@ #[[6 ;;]]) &,
{#1, SparseArray[#2]} &]
Honestly, this is my Swiss Army Knife, and it makes complex things very simple. Most of my other tools are somewhat domain specific, so I'll probably not pos...
How can I get a count of the total number of digits in a number?
...you could try:
Math.Ceiling(Math.Log10(n));
Correction following ysap's comment:
Math.Floor(Math.Log10(n) + 1);
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