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How to sum all the values in a dictionary?
... I don't know if you love python, if you love python 3, or if really are referring to a python 2
– Lucas Vazquez
Sep 23 '19 at 20:19
1
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Why do I get a warning icon when I add a reference to an MEF plugin project?
... Studio 2017 with update 15.3 has still not addressed the issue of not actually showing a meaningful message. Very annoying.
– Greg R Taylor
Sep 12 '17 at 11:38
4
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How to delete multiple files at once in Bash on Linux?
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Bash supports all sorts of wildcards and expansions.
Your exact case would be handled by brace expansion, like so:
$ rm -rf abc.log.2012-03-{14,27,28}
The above would expand to a single command with all three arguments, and be equivale...
Clear back stack using fragments
...tBackStackEntryCount(); ++i) {
fm.popBackStack();
}
But could equally have used something like:
((AppCompatActivity)getContext()).getSupportFragmentManager().popBackStack(String name, FragmentManager.POP_BACK_STACK_INCLUSIVE)
Which will pop all states up to the named one. You can then j...
Git for beginners: The definitive practical guide
...repository.
cd ~/code/project001/
rm -rf .git/
Caution: This will destroy all revision history, all your tags, everything git has done. It will not touch the "current" files (the files you can currently see), but previous changes, deleted files and so on will be unrecoverable!
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CSS '>' selector; what is it? [duplicate]
...t; does.
NOTE: The > selector is not supported by IE6. It does work in all other current browsers though, including IE7 and IE8.
If you're looking into less-well-used CSS selectors, you may also want to look at +, ~, and [attr] selectors, all of which can be very useful.
This page has a full l...
Running shell command and capturing the output
...True at the end of this answer.
The check_output function works on almost all versions of Python still in wide use (2.7+).2 But for more recent versions, it is no longer the recommended approach.
Modern versions of Python (3.5 or higher): run
If you're using Python 3.5 or higher, and do not need ...
IntelliJ: How to auto-highlight variables like in Eclipse
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You'll definitely want to install the "Identifier Highlighter" plugin too, which allows you to easily navigate between highlighted usages.
– Daniel Alexiuc
Sep 20 '11 at 0:15
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How are ssl certificates verified?
...private key of a trusted certificate authority.
Your web browser comes installed with the public keys of all of the major certificate authorities. It uses this public key to verify that the web server's certificate was indeed signed by the trusted certificate authority.
The certificate contains the...
Convert JavaScript String to be all lower case?
How can I convert a JavaScript string value to be in all lower case letters?
14 Answers
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