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How to use unicode characters in Windows command line?
...ole” are unrelated factors. CMD.exe is a just one of programs which are ready to “work inside” a console (“console applications”).
AFAIK, CMD has perfect support for Unicode; you can enter/output all Unicode chars when any codepage is active.
Windows’ console has A LOT of support for ...
What is the usefulness of `enable_shared_from_this`?
I ran across enable_shared_from_this while reading the Boost.Asio examples and after reading the documentation I am still lost for how this should correctly be used. Can someone please give me an example and explanation of when using this class makes sense.
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What is the string length of a GUID?
...omment about 'digits only' with the "N" option is a bit tricky! You should read it as without braces & hyphens
– Jowen
Jul 23 '14 at 13:15
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How to calculate time elapsed in bash script?
...hus, you can just set SECONDS to 0 before starting the timed event, simply read SECONDS after the event, and do the time arithmetic before displaying.
SECONDS=0
# do some work
duration=$SECONDS
echo "$(($duration / 60)) minutes and $(($duration % 60)) seconds elapsed."
As this solution doesn't de...
Properties file in python (similar to Java Properties)
..., no one showed any examples on how to do this, so here is a simple python reader of a property file and example of the property file. Note that the extension is still .properties, but I had to add a section header similar to what you see in .ini files... a bit of a bastardization, but it works.
Th...
What does FETCH_HEAD in Git mean?
...Consider also, still with Git 2.29 (Q4 2020), the FETCH_HEAD is now always read from the filesystem regardless of the ref backend in use, as its format is much richer than the normal refs, and written directly by "git fetch"(man) as a plain file..
See commit e811530, commit 5085aef, commit 4877c6c, ...
How do I know which version of Javascript I'm using?
I'm just reading this documentation about Javascript 1.2, but I'm wondering which version of Javascript is being used in the most popular browsers.
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MySQL high CPU usage [closed]
...se MySQL to eat up CPU.
You'll also probably want to give the following a read over as they contain some good information.
How MySQL Uses Memory
MySQL System Variables
It's also a very good idea to use a profiler. Something you can turn on when you want that will show you what queries your appl...
Android: java.lang.SecurityException: Permission Denial: start Intent
...T_COMPLETED"/> <uses-permission android:name="android.permission.READ_CONTACTS"/> <uses-permission android:name="android.permission.READ_SYNC_SETTINGS"/> <uses-permission android:name="android.permission.READ_OWNER_DATA"/> <uses-permission android:name="androi...
How can I extract a predetermined range of lines from a text file on Unix?
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You don't need the cat command; head can read a file directly. This is slower than many alternatives because it uses 2 (3 as shown) commands where 1 is sufficient.
– Jonathan Leffler
Jan 5 '15 at 18:41
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