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SQL, Postgres OIDs, What are they and why are they useful?
... handy for tables where you don't have a primary key, have duplicate rows, etc. For example, if you have a table with two identical rows, and you want to delete the oldest of the two, you could do that using the oid column.
OIDs are implemented using 4-byte unsigned integers. They are not unique–...
When to use Vanilla JavaScript vs. jQuery?
...round that one: $(this).attr("checked", "checked"), $(this).is(":checked") etc.) and similarly the selected property of <option> elements.
– Tim Down
Jan 10 '11 at 23:01
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Why does C++ not have reflection?
...ing else. Once the code has been compiled, there are no classes. If you stretch yourself, you could argue that functions still exist, but really, all there is is a bunch of jump assembler instructions, and a lot of stack push/pop's. There's not much to go on, when adding such metadata.
But like I s...
EntityType has no key defined error
... needs to be a CLS-compliant type, meaning unsigned types like uint, ulong etc. are not allowed.
This error can also be caused by configuration mistakes.
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google chrome extension :: console.log() from background page?
...n messages to console. Thanks. Any thoughts on how to also make exceptions etc from popup.js appear in background.js's console?
– steven_noble
Aug 18 '15 at 2:45
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Regex, every non-alphanumeric character except white space or colon
... which are typically not supported by older tools like grep, sed, tr, lex, etc.
– tripleee
Dec 6 '19 at 8:26
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Redirect website after certain amount of time
...of HTTP redirect headers and/or you need to support non-JavaScript clients etc).
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Twitter oAuth callbackUrl - localhost development
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Alternative 1.
Set up your .hosts (Windows) or etc/hosts file to point a live domain to your localhost IP. such as:
127.0.0.1 xyz.com
where xyz.com is your real domain.
Alternative 2.
Also, the article gives the tip to alternatively use a URL shortener service. Sh...
How can I remove all my changes in my SVN working directory?
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Remove any other change and supports removing files/folders with spaces, etc.
svn status --no-ignore | grep -E '(^\?)|(^\I)' | sed -e 's/^. *//' | sed -e 's/\(.*\)/"\1"/' | xargs rm -rf
Don't forget to get the latest files from SVN
svn update --force
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How can I find the current OS in Python? [duplicate]
...rmation on the machine architecture, OS and OS version, version of Python, etc. Also it has os-specific functions to get things like the particular linux distribution.
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