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Copy data into another table
How to copy/append data from one table into another table with same schema in SQL Server?
9 Answers
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Count number of files within a directory in Linux? [closed]
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this is one:
ls -l . | egrep -c '^-'
Note:
ls -1 | wc -l
Which means:
ls: list files in dir
-1: (that's a ONE) only one entry per line. Change it to -1a if you want hidden files too
|: pipe output onto...
wc: "wordcount"
-...
Multiple classes inside :not() [duplicate]
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You can use:
div:not(.one):not(.three) {
color: #F00;
}
Fiddle
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How to return multiple lines JSX in another return statement in React?
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Try to think of the tags as function calls (see docs). Then the first one becomes:
{[1,2,3].map(function (n) {
return React.DOM.p(...);
})}
And the second one:
{[1,2,3].map(function (n) {
return (
React.DOM.h3(...)
React.DOM.p(...)
)
})}
It should now be clear that the secon...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...ey define structure for your documents. Yet this seems odd for Mongo where one of its advantages is that you can throw in a column (err, attribute?) or simply not add one.
Models are case sensitive - Myself and other devs I work with have had issues where the case of the collection name that the mod...
NPM doesn't install module dependencies
...ependencies https://github.com/npm/npm/issues/2442 (closed)
In the first one people list several workarounds that you may try.
An alternative solution may be (a little hackish) to explicitly list the dependencies as first level dependents. This requires you to maintain the list but practically it...
Are soft deletes a good idea? [duplicate]
...om COUNT(*) queries, which might take even longer to discover (I worked on one project where this had been happening for years; not many records were ever "deleted", so the totals were close to what was expected and no one noticed).
Finally, a soft delete will work on a table with artificial keys, ...
String slugification in Python
...does a bit more than what you posted (take a look at the source, it's just one file). The project is still active (got updated 2 days before I originally answered, over seven years later (last checked 2020-06-30), it still gets updated).
careful: There is a second package around, named slugify. If y...
Delete all but the most recent X files in bash
...mplex).
Here's a pragmatic, POSIX-compliant solution that comes with only one caveat: it cannot handle filenames with embedded newlines - but I don't consider that a real-world concern for most people.
For the record, here's the explanation for why it's generally not a good idea to parse ls outp...
Is the size of C “int” 2 bytes or 4 bytes?
...u can check the predefined macros such as INT_MAX. If the value is not the one expected by your code, then the byte size of int is different on the current compiler/platform combination.
– Walt Sellers
Apr 15 '14 at 17:10
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