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How do I verify/check/test/validate my SSH passphrase?
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You can verify your SSH key passphrase by attempting to load it into your SSH agent. With OpenSSH this is done via ssh-add.
Once you're done, remember to unload your SSH passphrase from the terminal by running ssh-add -d.
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ERROR: permission denied for sequence cities_id_seq using Postgres
... allows the use of the currval and nextval functions.
Also as pointed out by @epic_fil in the comments you can grant permissions to all the sequences in the schema with:
GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA public TO www;
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Using numpad in Vi (Vim) via PuTTY
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I'd also love to know why it's not enabled by default. Does it break numpad usage in any other application? the.earth.li/~sgtatham/putty/0.60/htmldoc/… BTW disabling app keypad mode also fixes that "," is being entered in bash when you press numpad "+".
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Visual Studio Disabling Missing XML Comment Warning
...ummarise, the ways around the warning would be to:
Suppress the warning by changing the project Properties > Build > Errors and warnings > Suppress warnings by entering 1591
Add the XML documentation tags (GhostDoc can be quite handy for that)
Suppress the warning via compiler options
Un...
How do I alias commands in git?
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@HellishHeat These aliases are created by git, for git. If you want aliases for some other command line system, you'll have to look up how to do that one that system. (You appear to be using a Unix-like system, and I happen to know that creating aliases on Unices ...
Should logger be private static or not
...is. E.g. logger + ctrl+space.
On the other hand, if you obtain the logger by a factory which in turn may cache the already-instantiated loggers, then using the non-static form won't add that much overhead. Log4j for example has a LogManager for this purpose.
protected Log log = LogManager.getLogge...
How do I compile C++ with Clang?
I have installed Clang by using apt-get in Ubuntu, and I can successfully compile C files using it. However, I have no idea how to compile C++ through it. What do I need to do to compile C++?
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Difference between static memory allocation and dynamic memory allocation
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It may be better to think that the allocation of static memory is handled by the compiler rather than allocated at compile time.
For example the compiler may create a large data section in the compiled binary and when the program is loaded in memory, the address within the data segment of the pro...
What are all the different ways to create an object in Java?
...n a typical implementation).
Causing an exception to be created and thrown by the runtime. For instance throw null; or "".toCharArray()[0].
Oh, and boxing of primitives (unless cached), of course.
JDK8 should have lambdas (essentially concise anonymous inner classes), which are implicitly converted ...
Semicolon before self-invoking function? [duplicate]
...ole file. The statements inside the concatenated files should be separated by semicolons anyway to create valid JavaScript code.
– amoebe
Apr 3 '15 at 19:37
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