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What is the easiest way to remove all packages installed by pip?
... case you have packages installed via VCS, you need to exclude those lines and remove the packages manually (elevated from the comments below):
pip freeze | grep -v "^-e" | xargs pip uninstall -y
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Setting property 'source' to 'org.eclipse.jst.jee.server:JSFTut' did not find a matching property
...xt> element in Tomcat's server.xml contains an unknown attribute source and that Tomcat doesn't know what to do with this attribute and therefore will ignore it.
Eclipse WTP adds a custom attribute source to the project related <Context> element in the server.xml of Tomcat which identifies...
How to change collation of database, table, column?
The database is latin1_general_ci now and I want to change collation to utf8mb4_general_ci .
19 Answers
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Restore the state of std::cout after manipulating it
...//Your code here...
cout.flags( f );
You can put these at the beginning and end of your function, or check out this answer on how to use this with RAII.
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Using GCC to produce readable assembly?
...source code with disassembly
-l, --line-numbers Include line numbers and filenames in output
objdump -drwC -Mintel is nice:
-r shows symbol names on relocations (so you'd see puts in the call instruction below)
-R shows dynamic-linking relocations / symbol names (useful on shared libraries...
Extract numbers from a string
I want to extract the numbers from a string that contains numbers and letters like:
20 Answers
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CSS '>' selector; what is it? [duplicate]
... <div class="inner">...</div>
</div>
</div>
and you declare a css rule in your stylesheet like such:
.outer > div {
...
}
your rules will apply only to those divs that have a class of "middle" since those divs are direct descendants (immediate children) of el...
What's the right way to pass form element state to sibling/parent elements?
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So, if I'm understanding you correctly, your first solution is suggesting that you're keeping state in your root component? I can't speak for the creators of React, but generally, I find this to be a proper solution.
Maintaining state is one...
Shuffle an array with python, randomize array item order with python
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import random
random.shuffle(array)
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What size should apple-touch-icon.png be for iPad and iPhone?
Are Apple touch icons bigger than 60x60 supported, and if so, what dimensions should I use for the iPad and iPhone?
11 Answ...