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Difference between StringBuilder and StringBuffer

... and synchronization is virtually never required. If someone wants to synchronize on a StringBuilder, they can just surround the entire block of code with a synchronized (sb) { } on the instance – locka Apr 24 '13 a...
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How to justify a single flexbox item (override justify-content)

... the extra element as well, so the layout will be properly responsive on smaller devices. share | improve this answer | follow | ...
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How can I copy the content of a branch to a new local branch?

...e work completely. I was thinking of something like create a new branch locally and copy the old branch there, then I can revert the changes and continue working on the old branch. Is there a better way maybe? Or how do I do this? ...
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How to get overall CPU usage (e.g. 57%) on Linux [closed]

...s was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything. NOTE: this is not the current CPU usage, but the overall CPU usage in all the cores since the system bootup...
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receiving error: 'Error: SSL Error: SELF_SIGNED_CERT_IN_CHAIN' while using npm

... on ubuntu - I am receiving the error copied below while attempting to install any new modules via npm (I tested socket.io earlier using http, not https though & am wondering if that could have resulted in the issue with npm/unsigned certs). The error pops up once npm tries to resolve the ' https:/...
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SQLAlchemy IN clause

...w about session.query(MyUserClass).filter(MyUserClass.id.in_((123,456))).all() edit: Without the ORM, it would be session.execute( select( [MyUserTable.c.id, MyUserTable.c.name], MyUserTable.c.id.in_((123, 456)) ) ).fetchall() select() takes two parameters, the first...
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How to get the first word of a sentence in PHP?

...rd) = explode(' ', trim($myvalue), 1); – Cédric Françoys Oct 27 '16 at 10:33 3 @CédricFrançoy...
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Confused about Service vs Factory

... All angular services are singletons: Docs (see Services as singletons): https://docs.angularjs.org/guide/services Lastly, it is important to realize that all Angular services are application singletons. This means that t...
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git stash -> merge stashed change with current changes

...t add ...), then git stash apply (and, presumably, git stash pop) will actually do a proper merge. If there are no conflicts, you're golden. If not, resolve them as usual with git mergetool, or manually with an editor. To be clear, this is the process I'm talking about: mkdir test-repo && c...
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How to create dictionary and add key–value pairs dynamically?

... }); // repeat this last part as needed to add more key/value pairs Basically, you're creating an object literal with 2 properties (called key and value) and inserting it (using push()) into the array. Edit: So almost 5 years later, this answer is getting downvotes because it's not creating an ...