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Differences between unique_ptr and shared_ptr [duplicate]
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Both of these classes are smart pointers, which means that they automatically (in most cases) will deallocate the object that they point at when that object can no longer be referenced. The difference between the two is how many different pointers of each type can refer to a resource.
When using...
What does the fpermissive flag do?
...formant code from errors to warnings.
Thus, using -fpermissive will allow some nonconforming code to compile.
Bottom line: don't use it unless you know what you are doing!
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SVN: Folder already under version control but not comitting?
...irectory and remove it from your SVN working directory. Remember to delete all .svn hidden directories from the copied folder.
Now update your project, clean-up and commit what has left. Now move your folder back to working directory, add it and commit. Most of the time this workaround works, it se...
Should I be concerned about excess, non-running, Docker containers?
...running are not taking any system resources besides disk space.
It is usually good to clean up after yourself, but if you have a lot of them sitting around it shouldn't slow down performance at all.
If you do notice a slow down when running docker commands with lots of stopped containers, it mig...
Associativity of “in” in Python?
I'm making a Python parser, and this is really confusing me:
4 Answers
4
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Codesign error: Certificate identity appearing twice
...same problem.
It has been fixed.
It came after I submitted an app and installed a few certificates to sign the app.
Quick Fix:
Open up KEYCHAIN ACCESS > click on MY CERTIFICATES> in there you will probably see
iPhone Developer: . You will probably see it TWICE!
Select the one with the earl...
Switch statement: must default be the last case?
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The C99 standard is not explicit about this, but taking all facts together, it is perfectly valid.
A case and default label are equivalent to a goto label. See 6.8.1 Labeled statements. Especially interesting is 6.8.1.4, which enables the already mentioned Duff's Device:
Any ...
The selected run destination is not valid for this action
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I had that issue several times. Basically, just set the Base SDK in Build Settings to Latest OS X and it should work properly.
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Docker - a way to give access to a host USB or serial device?
... give container access to host serial or USB port . Is there a trick which allows doing that?
9 Answers
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How to get arguments with flags in Bash
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This is the idiom I usually use:
while test $# -gt 0; do
case "$1" in
-h|--help)
echo "$package - attempt to capture frames"
echo " "
echo "$package [options] application [arguments]"
echo " "
echo "options:"
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