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What exactly do the Vagrant commands do?
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Vagrant 1.2 seems to have gone backwards. eg, vagrant init -h just gives this: Usage: vagrant init [box-name] [box-url] -h, --help Print this help
– Steve Bennett
Jul 19 '13 at 6:02
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Get all table names of a particular database by SQL query?
... I prefer this solution when I have different table schemata within one database (SQL Server): SELECT CONCAT(TABLE_SCHEMA, '.', TABLE_NAME) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_CATALOG='MyDB'
– Verena Haunschmid
Aug 10...
How to input a regex in string.replace?
... /? # Optionally match a '/'
\[ # Match a literal '['
\d+ # Match one or more digits
> # Match a literal '>'
""", "", line)
Regexes are fun! But I would strongly recommend spending an hour or two studying the basics. For starters, you need to learn which characters are specia...
Missing styles. Is the correct theme chosen for this layout?
... Thnx, m new to Android Studio, and searching for this answer i found your one is exact what i needed.
– Ali Ansari
Sep 1 '14 at 20:41
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How do I manage MongoDB connections in a Node.js web application?
... ObjectID(req.params.id);
const user = await db.collection('user').findOne({ _id: id }, {
email: 1,
firstName: 1,
lastName: 1
});
if (user) {
user.id = req.params.id;
res.send(user);
} else {
res.sendStatus(404);
}
} catch (err) {
next(e...
Chrome desktop notification example [closed]
How does one use Chrome desktop notifications ? I'd like that use that in my own code.
8 Answers
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What is RSS and VSZ in Linux memory management
...ogram that:
allocates more RAM than our physical memory with mmap
writes one byte on each page to ensure that each of those pages goes from virtual only memory (VSZ) to actually used memory (RSS)
checks the memory usage of the process with one of the methods mentioned at: Memory usage of current p...
Difference between 2 dates in SQLite
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Note that despite what the function name might make one think, this has higher granularity than days. It's a number of days, but can be fractional.
– lindes
Jun 11 '12 at 11:54
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Define css class in django Forms
... doesn't require changes in python code and so is better for designers and one-off presentational changes: django-widget-tweaks. Hope somebody will find it useful.
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Fetch frame count with ffmpeg
Does anyone know how to fetch the number of total frames from a video file using ffmpeg? The render output of ffmpeg shows the current frame and I need the frame count to calculate the progress in percent.
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