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Why {} + {} is NaN only on the client side? Why not in Node.js?
...ule with all the history nice and cozy on git, having used REPLs before on my own programs, I knew where to look :) I'm glad you liked it and found it helpful, but I owe it to my familiarity with these code bases (dev-tools and nodejs) rather than my intellect. Going straight to the source is often ...
CSS3 transform not working
I am trying to transform my menu items by rotating them 10 degrees. My CSS works in Firefox but I've failed to replicate the effect in Chrome and Safari. I know IE doesn't support this CSS3 property so that's not a problem.
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How to reload apache configuration for a site without restarting apache
I have edited the variable AllowOverride for one of my websites in sites-enabled directory. How do I reload the new configuration without restarting apache? Is it possible?
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
... a client attempts to connect, the server looks through the rows [of table mysql.user] in sorted order.
The server uses the first row that matches the client host name and user name.
(...)
The server uses sorting rules that order rows with the most-specific Host values first.
Literal h...
Converting PKCS#12 certificate into PEM using OpenSSL
...open("push.p12", "rb") as file:
p12 = crypto.load_pkcs12(file.read(), "my_passphrase")
# PEM formatted private key
print crypto.dump_privatekey(crypto.FILETYPE_PEM, p12.get_privatekey())
# PEM formatted certificate
print crypto.dump_certificate(crypto.FILETYPE_PEM, p12.get_certificate())
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Get list of databases from SQL Server
...st), is read from some configuration file. I couldn't get it worked with my "myhost" (which is my correct host name, say obtained by Environment.MachineName).Will this work if I replace "localhost" with "myhost"?
– Ajeeb.K.P
Aug 22 '16 at 11:35
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How to select the first element in the dropdown using jquery?
I want to know how to select the first option in all select tags on my page using jquery.
9 Answers
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How to count instances of character in SQL Column
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In SQL Server:
SELECT LEN(REPLACE(myColumn, 'N', ''))
FROM ...
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How to compare two colors for similarity/difference
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Just an idea that first came to my mind (sorry if stupid).
Three components of colors can be assumed 3D coordinates of points and then you could calculate distance between points.
F.E.
Point1 has R1 G1 B1
Point2 has R2 G2 B2
Distance between colors is ...
BASH copy all files except one
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rsync has been my cp/scp replacement for a long time:
rsync -av from/ to/ --exclude=Default.png
-a, --archive archive mode; equals -rlptgoD (no -H,-A,-X)
-v, --verbose increase verbosity
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