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How to get CRON to call in the correct PATHs
...l crontab overwrites PATHs that you have set up. A good tutorial on how to do this.
The systemwide cron file looks like this:
This has the username field, as used by /etc/crontab.
# /etc/crontab: system-wide crontab
# Unlike any other crontab you don't have to run the `crontab'
# command to instal...
How can I retrieve Id of inserted entity using Entity framework? [closed]
...I want to get the Id value whenever I add an object to database. How can I do this?
11 Answers
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What is the difference between PS1 and PROMPT_COMMAND
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From the GNU Bash doc page: http://www.gnu.org/software/bash/manual/bashref.html
PROMPT_COMMAND
If set, the value is interpreted as a command to execute before
the printing of each primary prompt ($PS1).
I never used it, but I coul...
Update Git submodule to latest commit on origin
...modules to the latest commit available from their remote, you will need to do this directly in the submodules.
So in summary:
# Get the submodule initially
git submodule add ssh://bla submodule_dir
git submodule init
# Time passes, submodule upstream is updated
# and you now want to update
# Cha...
When correctly use Task.Run and when just async-await
...the guidelines for performing work on a UI thread, collected on my blog:
Don't block the UI thread for more than 50ms at a time.
You can schedule ~100 continuations on the UI thread per second; 1000 is too much.
There are two techniques you should use:
1) Use ConfigureAwait(false) when you can....
How to measure time in milliseconds using ANSI C?
... e.g. NTP never moves your clock backwards until you explicitly tell it to do so.
– thejh
May 22 '13 at 7:01
1
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Including one C source file in another?
...parts of the subsystem in different files.
With C, you can lose a lot by doing this. Almost all toolchains provide decent optimisation for a single compilation unit, but are very pessimistic about anything declared extern.
If you put everything into one C source module, you get -
Performance &a...
Convert objective-c typedef to its string equivalent
...function that returns a string given an enum value. There are many ways to do this. An array of strings such that the enum value can be used as an index into the array or a map structure (e.g. an NSDictionary) that maps an enum value to a string work, but I find that these approaches are not as clea...
Prevent screen rotation on Android
...landscape"
to the <activity> element/s in
the manifest and you're done.
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How do you implement a private setter when using an interface?
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It doesn't seem to complain if the setter is public either even if the interface only contains a getter.
– Mike Cheel
Jan 31 '18 at 19:18
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