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How to automatically generate a stacktrace when my program crashes
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For Linux and I believe Mac OS X, if you're using gcc, or any compiler that uses glibc, you can use the backtrace() functions in execinfo.h to print a stacktrace and exit gracefully when you get a segmentation fault. Documentation can...
Highlight text similar to grep, but don't filter out text [duplicate]
...ll perl regular expressions.
$ ack --passthru 'pattern1' file_name
$ command_here | ack --passthru 'pattern1'
You can also do it using grep like this:
$ grep --color -E '^|pattern1|pattern2' file_name
$ command_here | grep --color -E '^|pattern1|pattern2'
This will match all lines and highli...
An efficient way to transpose a file in Bash
... more explicit variable names will help answer some of the questions below and generally clarify what the script is doing. It also uses tabs as the separator which the OP had originally asked for so it'd handle empty fields and it coincidentally pretties-up the output a bit for this particular case....
Is it possible to print a variable's type in standard C++?
... update to a very old question: Print variable type in C++.
The accepted (and good) answer is to use typeid(a).name(), where a is a variable name.
Now in C++11 we have decltype(x), which can turn an expression into a type. And decltype() comes with its own set of very interesting rules. For exam...
multiprocessing: How do I share a dict among multiple processes?
...rogram that creates several processes that work on a join-able queue, Q , and may eventually manipulate a global dictionary D to store results. (so each child process may use D to store its result and also see what results the other child processes are producing)
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Android: install .apk programmatically [duplicate]
I made this with help from
Android download binary file problems
and Install Application programmatically on Android .
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How do I display the current value of an Android Preference in the Preference summary?
...ntry());
}
}
This is easily extensible to other preference classes.
And by using the getPreferenceCount and getPreference functionality in PreferenceScreen and PreferenceCategory, you could easily write a generic function to walk the preference tree setting the summaries of all preferences of...
OSX - How to auto Close Terminal window after the “exit” command executed.
... edited Nov 13 '18 at 19:38
Sandy Chapman
9,83733 gold badges5353 silver badges6262 bronze badges
answered Jul 28 '13 at 16:38
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Download large file in python with requests
...t's not possible to keep whole file in memory I need to read it in chunks. And this is a problem with the following code
5 ...
Why is printing to stdout so slow? Can it be sped up?
...ement. After some recent painfully slow logging I decided to look into it and was quite surprised to find that almost all the time spent is waiting for the terminal to process the results.
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