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What is thread safe or non-thread safe in PHP?
...uch cases, thread-safety also doesn't matter. To see which version your website is using put a file containing <?php phpinfo(); ?> on your site and look for the Server API entry. This could say something like CGI/FastCGI or Apache 2.0 Handler.
If you also look at the command-line version of P...
Renaming a virtualenv folder without breaking it
...t
If you can't create the requirements.txt file, check env/lib/pythonX.X/site-packages before removing the original env.
Delete the existing (env)
deactivate && rm -rf env
Create a new virtualenv, activate it, and install requirements
virtualenv env && . env/bin/activate &&a...
What are enums and why are they useful?
Today I was browsing through some questions on this site and I found a mention of an enum being used in singleton pattern about purported thread safety benefits to such solution.
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How can bcrypt have built-in salts?
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OK, so I sign up for a site and choose a the password "foo". Bcrypt adds a random salt of "akd2!*", resulting in "fooakd2!*", which is hashed and stored. Later, I try to sign in with password "bar". To see if I'm correct, it needs to hash "barakd2!...
List vs List
...t not of the subtype that set's objects are declared to be at the caller's site. So this could break the type system if it were possible.)
Now here come generics to the rescue, because it works as intended if I use this method signature instead:
<T extends A> void myMethod(Set<T> set)
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Change a Git remote HEAD to point to something besides master
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Since you mention GitHub, to do it on their site simply go into your project, then...
admin > Default Branch > (choose something)
Done.
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How do you specify the Java compiler version in a pom.xml file?
...mpared to the selected answer, but it seems sort of hidden. Even the Maven site documentation shows using the plugin.
– mkobit
Oct 15 '15 at 16:34
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MongoDB/NoSQL: Keeping Document Change History
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We have partially implemented this on our site and we use the 'Store Revisions in a separate document" (and separate database). We wrote a custom function to return the diffs and we store that. Not so hard and can allow for automated recovery.
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What is the most compatible way to install python modules on a Mac?
...load. In my case, my $PYTHONPATH variable contains /usr/local/lib/python26/site-packages. If you use MacPorts' Python, it sets up the other proper directories for you, so you only need to add additional paths to $PYTHONPATH. But again, $PATH isn't used at all when Python searches for modules you hav...
What is the claims in ASP .NET Identity
...thority/issuer? Some examples would be nice. I red the article on the msdn site (the link you provided), but they list only one example: ADFS, are there any other options? Can't find this information anywhere. :(
– Jo Smo
Jun 15 '15 at 23:41
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