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html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
...(in Safari, at least, you can't overwrite the localStorage variable (it's 'read-only'), but you can reassign setItem/removeItem/getItem).
– Ruben Martinez Jr.
Feb 26 '16 at 19:08
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What does the arrow operator, '->', do in Java?
...fine the method in a separate place rather pass in the body of the method, read about anonymous method followed by lambda.
– Vivek Shukla
Jun 5 at 19:42
add a comment
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Favourite performance tuning tricks [closed]
...ndex would help by limiting the number of rows coming in (which saves disk reads).
Focus on the largest cost subtree first. Changing that subtree can often change the entire query plan.
Common problems I've seen are:
If there's a lot of joins, sometimes Sql Server will choose to expand the joins, ...
What is the worst gotcha in C# or .NET? [closed]
...hods, leading to nasty situations like this:
using System;
using System.Threading;
class Test
{
static void Main()
{
for (int i=0; i < 10; i++)
{
ThreadStart ts = delegate { Console.WriteLine(i); };
new Thread(ts).Start();
}
}
}
What...
A std::map that keep track of the order of insertion?
...upposed to (ie by sorting itself as you insert), and has fast runtime. (I read this after writing my version, where I used std::list!)
– bobobobo
Oct 8 '12 at 1:16
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calculating the difference in months between two dates
...true .Month and .Years - I've just posted an answer for that which you can read. Although, as far as approximations so, this is a good approximation (props to Adam Robinson) however you should keep in mind that if you use any of these approximations you are just unintentionally lying to your users.
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Why is argc not a constant?
.... Look at the example I provided and the compilation error, "assignment of read only location".
– Cheers and hth. - Alf
Dec 13 '13 at 4:47
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Swapping column values in MySQL
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As noted in MySQL docs, It's not safe to assign and read variables in a single statement. The order of operations is not guaranteed. So the only safe method is #4
– AMIB
Jan 27 '13 at 10:01
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How to use php serialize() and unserialize()
... You take some information and do some work with it in your php script ready to store/send it somewhere. You have the option to create a table that exactly matches the expected data, but this is tedious you are essentially doubling your work load because you have to write code that matches too, ...
Remove unwanted parts from strings in a column
...g for a general solution.
If you are satisfied with the succinct and readable str
accessor-based solutions above, you can stop here. However, if you are
interested in faster, more performant alternatives, keep reading.
Optimizing: List Comprehensions
In some circumstances, list compr...