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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...
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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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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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...
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...
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...
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 can I extract a predetermined range of lines from a text file on Unix?
...
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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What's the u prefix in a Python string?
...ead simplest, probably flawed, solution this second.
A: You should really read Joel's Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!) essay on character sets.
Q: sry no time code pls
A: Fine. try str('Some String') or 'Some...
PostgreSQL ERROR: canceling statement due to conflict with recovery
...be canceled more often.
You can work around this by starting a repeatable read transaction on primary which does a dummy query and then sits idle while a real query is run on secondary. Its presence will prevent vacuuming of old row versions on primary.
More on this subject and other workarounds a...