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CSS3's border-radius property and border-collapse:collapse don't mix. How can I use border-radius to
...: collapse breaking everything.
A workaround is to add border-spacing: 0 and leave the default border-collapse: separate on the table.
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What is a covariant return type?
...lds an explicit reference to a MyFoo object will be able to invoke clone() and know (without casting) that the return value is an instance of MyFoo. Without covariant return types, the overridden method in MyFoo would have to be declared to return Object - and so calling code would have to explicit...
How can I do string interpolation in JavaScript?
...g written until the next character, requiring it to be hit twice to write (and writes two of them at this time). This is because some characters interact with them, such as "e". If I try to write "ello" with them, I get èllo``. It is also somewhat annoyingly located (shift+forwardtick, which is ano...
Relational Database Design Patterns? [closed]
...lated to object oriented design.
Are there design patterns for creating and programming relational databases?
Many problems surely must have reusable solutions.
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How to programmatically cause a core dump in C/C++
...>
: : :
raise (SIGABRT);
Calling abort() will also cause a core dump, and you can even do this without terminating your process by calling fork() followed by abort() in the child only - see this answer for details.
shar...
What is the difference between printf() and puts() in C?
I know you can print with printf() and puts() . I can also see that printf() allows you to interpolate variables and do formatting.
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How to pretty print XML from the command line?
... /></root>' |
xmllint --format -
Perl's XML::Twig
This command comes with XML::Twig perl module, sometimes xml-twig-tools package:
echo '<root><foo a="b">lorem</foo><bar value="ipsum" /></root>' |
xml_pp
xmlstarlet
This command comes with xmlstar...
How to calculate the CPU usage of a process by PID in Linux from C?
...time kernel mode jiffies with child's
You're probably after utime and/or stime. You'll also need to read the cpu line from /proc/stat, which looks like:
cpu 192369 7119 480152 122044337 14142 9937 26747 0 0
This tells you the cumulative CPU time that's been used in various categories, ...
List of all special characters that need to be escaped in a regex
...tml
You need to escape any char listed there if you want the regular char and not the special meaning.
As a maybe simpler solution, you can put the template between \Q and \E - everything between them is considered as escaped.
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Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int
I know that PHP is compiled to byte code before it is run on the server, and then that byte code can be cached so that the whole script doesn't have to be re-interpreted with every web access.
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