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Does Ruby regular expression have a not match operator like “!~” in Perl?
... string doesn't contain "bar".
In Ruby, particularly with a modern style guide, I think a more explicit solution is more conventional and easy to understand:
input = 'foobar'
do_something unless input.match?(/bar/)
needs_bar = !input.match?(/bar/)
That said, I think it would be spiffy if there w...
presentModalViewController:Animated is deprecated in ios6
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Im getting this error 'UIApplicationInvalidInterfaceOrientation', reason: 'preferredInterfaceOrientationForPresentation must return a supported interface orientation!'
– Ram
Apr 8 '13 at 8:14
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Understand homebrew and keg-only dependencies
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@Alex Like echristopherson said: It is linked against a specific version of openssl (during installation). Have a look at the python Brew Formula; there you can see that the path (brew's prefix) of the openssl@1.1 formula is used as arg, which in turn is...
BindingFlags.IgnoreCase not working for Type.GetProperty()?
...ritten the default look-up flags, if you specify new flags you need to provide all the info so that the property can be found. For example: BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance
share
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connecting to MySQL from the command line
...o the link, it's detailed there!
As already mentioned by Rick, you can avoid passing the password as the part of the command by not passing the password like this:
mysql -u USERNAME -h HOSTNAMEORIP DATABASENAME -p
People editing this answer: PLEASE DONOT ADD A SPACE between -p and PASSWORD
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nuget 'packages' element is not declared warning
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You can always make simple xsd schema for 'packages.config' to get rid of this warning. To do this, create file named "packages.xsd":
<?xml version="1.0" encoding="utf-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"
targetNamespace=...
Convert UNIX epoch to Date object
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Try dividing that by 1000: as.POSIXct(1415560016876/1000, origin="1970-01-01") gets "2014-11-09 13:06:56.875 CST" and you need to ensure whether seconds are expected (as for R) or milliseconds.
– Dirk Eddelbue...
Turn Pandas Multi-Index into column
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For my case where I had 3 index levels inplace reset did not work. Alternative is assigning newly resetted dataframe to a new one: df2 = df.reset_index()
– Gorkem
Mar 15 '18 at 13:30
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SQL function as default parameter value?
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id: "1"
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StackExchange.using("externalEditor", function() {
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How to send emails from my Android application?
I am developing an application in Android. I don't know how to send an email from the application?
21 Answers
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