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How to output a multiline string in Bash?
...ted a mixed approach, which I consider the simplest and more flexible one. What do you think?
First, I define the usage in a variable, which allows me to reuse it in different contexts. The format is very simple, almost WYSIWYG, without the need to add any control characters. This seems reasonably ...
Do spurious wakeups in Java actually happen?
... the next level. The pthread caller must therefore check for an invariant. What they're saying is that when pthread_cond_wait() returns you must check your loop condition (invariant) again, because the wait might have been spuriously woken up. Receiving a signal during a system call is one possible ...
How to change a git submodule to point to a subfolder?
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What you want to do is create a branch in the submodule and move the folder up and delete what you don't need. You can then manage that branch instead. If you want to push up your changes, you should be able to back merge fir...
Get list of all tables in Oracle?
...aterialized view logs with a TABLE_TYPE of "TABLE" which is unlikely to be what you really want. DICT combines tables and synonyms and doesn't tell you who owns the object.
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git pull VS git fetch Vs git rebase
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What happens if you were to rebase after someone had already pulled from your master branch? Would that break the repo?
– Didier A.
Mar 22 '11 at 6:36
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Export and Import all MySQL databases at one time
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What does -r do?
– Luca Reghellin
Aug 3 '18 at 7:19
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String concatenation in Ruby
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The second method seems to be more efficient in term of memory/speed from what I've seen (not measured though). All three methods will throw an uninitialized constant error when ROOT_DIR is nil.
When dealing with pathnames, you may want to use File.join to avoid messing up with pathname separator....
Will Try / Finally (without the Catch) bubble the exception?
...mporary mutation to the state of the world; I need to restore the state to what it was before I was called". But let's think about all the ways this could go wrong.
First, access to the resource could already be disabled by the caller; in that case, this code re-enables it, possibly prematurely.
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How to download HTTP directory with all files and sub-directories as they appear on the online files
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what does checked --no-parent do?
– T.Todua
Aug 8 '19 at 11:33
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Determine if a function exists in bash
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type [-t] is nice to tell you what a thing is, but when testing if something is a function, it's slow since you have to pipe to grep or use backticks, both of which spawn a subprocess.
– Lloeki
Dec 19 '13 at 8:46
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