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How to create a CPU spike with a bash command
...
You can also do
dd if=/dev/zero of=/dev/null
To run more of those to put load on more cores, try to fork it:
fulload() { dd if=/dev/zero of=/dev/null | dd if=/dev/zero of=/dev/null | dd if=/dev/zero of=/dev/null | dd if=/dev/zero of=/dev/nu...
Why would anybody use C over C++? [closed]
...d want to choose C over C++. C doesn't seem to get nearly as much flak and if C++ has all these problems why can't you just restrict yourself to the C subset? What are your thoughts/experience?
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Printing everything except the first field with awk
...o use a for loop:
awk '{for (i=2; i<=NF; i++) print $i}' filename
So if your string was "one two three", the output will be:
two
three
If you want the result in one row, you could do as follows:
awk '{for (i=2; i<NF; i++) printf $i " "; print $NF}' filename
This will give you: "two th...
Multiline comment in PowerShell
...
The multiline comment in PowerShell should work.
If not, try this...
# This is
# a
# multiline comment.
or
<#
This does works for me.
#>
If it doesn't work, try to check if you have the correct version of PowerShell.
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Why can't strings be mutable in Java and .NET?
...e object can be in
exactly one state, the state in which it was created. If you make sure
that all constructors establish class invariants, then it is
guaranteed that these invariants will remain true for all time, with
no effort on your part.
[...]
Immutable objects are inherently...
How to append output to the end of a text file
...hen directing output to a file:
your_command >> file_to_append_to
If file_to_append_to does not exist, it will be created.
Example:
$ echo "hello" > file
$ echo "world" >> file
$ cat file
hello
world
sh...
Best practice: AsyncTask during orientation change
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What if the AsyncTask must be called from a nested Fragment?
– Eduardo Naveda
Jul 23 '14 at 13:38
3
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What XML parser should I use in C++? [closed]
...oy XML, real XML. You need to be able to read and write all of the XML specification, not just the low-lying, easy-to-parse bits. You need Namespaces, DocTypes, entity substitution, the works. The W3C XML Specification, in its entirety.
The next question is: Does your API need to conform to DOM or S...
“Delegate subtraction has unpredictable result” in ReSharper/C#?
...y those gotchas are in fringe cases and you are unlikely to encounter them if you're just instrumenting simple events. There is no better way to implement your own add/remove handlers, you just gotta take notice.
I'd suggest downgrading ReSharper's warning level for that message to "Hint" so that y...
How to customize the background color of a UITableViewCell?
...u need to set the backgroundColor of the cell's contentView to your color. If you use accessories (such as disclosure arrows, etc), they'll show up as white, so you may need to roll custom versions of those.
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