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Why is volatile needed in C?
...erface with hardware that changes the value itself; when there's another thread running that also uses the variable; or when there's a signal handler that might change the value of the variable.
Let's say you have a little piece of hardware that is mapped into RAM somewhere and that has two address...
How to execute a file within the python interpreter?
...meFile module
For Python3, use:
>>> exec(open("filename.py").read())
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Can I set a breakpoint on 'memory access' in GDB?
...
watch only breaks on write, rwatch let you break on read, and awatch let you break on read/write.
You can set read watchpoints on memory locations:
gdb$ rwatch *0xfeedface
Hardware read watchpoint 2: *0xfeedface
but one limitation applies to the rwatch and awatch commands;...
Getting rid of \n when using .readlines() [duplicate]
... in a list, by line, without \n)
with open(filename) as f:
mylist = f.read().splitlines()
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When do I really need to use atomic instead of bool? [duplicate]
...stinctly different instruction on the hardware than the native, non-atomic read-modify-write sequence of a non-atomic variable.
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Reading Properties file in Java
I have the following code trying to read a properties file:
16 Answers
16
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How to calculate the CPU usage of a process by PID in Linux from C?
...h 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, in units of jiffies. You need to t...
Reading CSV files using C#
I'm writing a simple import application and need to read a CSV file, show result in a DataGrid and show corrupted lines of the CSV file in another grid. For example, show the lines that are shorter than 5 values in another grid. I'm trying to do that like this:
...
Play audio from a stream using C#
...ten. It looks for an ACM codec on your PC to do the conversion. The Mp3FileReader supplied with NAudio currently expects to be able to reposition within the source stream (it builds an index of MP3 frames up front), so it is not appropriate for streaming over the network. However, you can still use ...
How do I read from parameters.yml in a controller in symfony2?
... var_dump($this->apiUser); // "my_name"
}
}
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In case you use older approach, you can automate it with Rector.
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This is called constructor injection over services locator approach.
To read more about this, check my post How to Get Parameter in Symfony...