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Remove white space below image [duplicate]
...laying mysterious 2-3 pixels of white space between the bottom of my image and its border (see below).
9 Answers
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How to benchmark efficiency of PHP script
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If you actually want to benchmark real world code, use tools like Xdebug and XHProf.
Xdebug is great for when you're working in dev/staging, and XHProf is a great tool for production and it's safe to run it there (as long as you read the instructions). The results of any one single page load aren...
Remove autolayout (constraints) in Interface Builder
I'm trying to make my project compatible with Snow Leopard and I am not able to remove the autolayout in the nibs using Interface builder (XCode 4.3 on Lion).
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Template default arguments
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@OlafDietsche but you can't have a template class and a non-template class with the same name, so the compiler should be able to decide by just looking at what the name is.
– Seth Carnegie
Mar 12 '13 at 23:13
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Non-static variable cannot be referenced from a static context
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You must understand the difference between a class and an instance of that class. If you see a car on the street, you know immediately that it's a car even if you can't see which model or type. This is because you compare what you see with t...
C++ semantics of `static const` vs `const`
...le scope, no difference in C++. const makes internal linkage the default, and all global variables have static lifetime. But the first variant has the same behavior in C, so that may be a good reason to use it.
Within a function, the second version can be computed from parameters. In C or C++ it ...
How to run cron once, daily at 10pm
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Good examples to understand the cron syntax
– Sohel Pathan
Aug 10 at 4:42
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Lambda function in list comprehensions
...output of the following two list comprehensions different, even though f and the lambda function are the same?
6 Answer...
How to change the default collation of a table?
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To change the default character set and collation of a table including those of existing columns (note the convert to clause):
alter table <some_table> convert to character set utf8mb4 collate utf8mb4_unicode_ci;
Edited the answer, thanks to the prompt...
How to do an INNER JOIN on multiple columns
I'm working on a homework project and I'm supposed to perform a database query which finds flights either by the city name or the airport code, but the flights table only contains the airport codes so if I want to search by city I have to join on the airports table.
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