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When is a C++ destructor called?
...ctor (and std::deque, though it's not used quite as much).
As most people know, std::vector will allocate a larger block of memory when/if you add more items than its current allocation can hold. When it does this, however, it has a block of memory that's capable of holding more objects than are cur...
How does Chrome's “Request Desktop Site” option work?
...work even if you originally typed in the URL for the mobile site. I don't know how its implemented because the name of mobile versions is by no means standardized, but there is something smarter going on than a simple UA change.
– Andrew G
Feb 3 '15 at 19:23
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SQL Server - copy stored procedures from one db to another
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Wow. Now I thought that I was the only one who liked GUI based approach!!
– rvphx
May 22 '12 at 14:02
10
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How to style input and submit button with CSS?
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Button was introduced specifically bearing CSS styling in mind. You can now add the gradient background image to it or style it using CSS3 gradients.
Read more on HTML5 forms structure here
http://www.w3.org/TR/2011/WD-html5-20110525/forms.html
Cheers!
.Pav
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git: switch branch without detaching head
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git clone git@github.com:abc/def.git
cd def
Now create a tracking branch:
git branch --track experimental origin/experimental
git checkout experimental
Then, after working there, simply push to github by
git push
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Specify custom Date format for colClasses argument in read.table/read.csv
...swered Oct 23 '12 at 1:41
Greg SnowGreg Snow
44.2k44 gold badges7070 silver badges9797 bronze badges
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Why does .NET foreach loop throw NullRefException when collection is null?
...I think of it, returning null for a collection is an error. The way it is now, the runtime gives you a meaningful exception in this case, but it's easy to work around (ie: above) if you don't like this behavior. If the compiler hid this from you, you'd lose the error checking at runtime, but there...
Boolean.hashCode()
...go into bucket 1000 % N resp 2000 % N (where N is the number of buckets).
Now notice that
1000 % 8 same bucket as 2000 % 8
1000 % 10 same bucket as 2000 % 10
1000 % 20 same bucket as 2000 % 20
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in other words, it would lead to many collisions.
This is because the factorization of 1000 (2...
Assigning default value while creating migration file
...the generated file to add a column to a model Tweet with datatype integer. Now I want to add default value to the added column while generating the migration file. Is that possible? I googled it but couldn't find. Guys need help.
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What are the recommendations for html tag?
..., and as I originally feared, that makes it more trouble than it's worth. Now I have to go off and rewrite all my uses of it! :p
Related links of testing for issues when using "fragments"/hashes:
http://www.w3.org/People/mimasa/test/base/
http://www.w3.org/People/mimasa/test/base/results
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