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sqlite alter table add MULTIPLE columns in a single statement
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Note that the migrate method is already called in a transaction so there's limited benefit to this approach.
– Nicolas
Aug 9 at 21:27
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Regex to match any character including new lines
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Add the s modifier to your regex to cause . to match newlines:
$string =~ /(START)(.+?)(END)/s;
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Accessing outside variable using anonymous function as params
Basically I use this handy function to processing db rows (close an eye on PDO and/or other stuff)
2 Answers
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Add EBS to Ubuntu EC2 Instance
... @JosephMornin Turning off all bits in the mode is a simple indicator that nobody should be allowed to do anything in this directory until a new file system is mounted here. It's a message that this directory has been created as a mount point. It is not required for functionality, but so...
Is there a way to follow redirects with command line cURL?
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Use the location header flag:
curl -L <URL>
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Python pandas Filtering out nan from a data selection of a column of strings
...rows x 3 columns]
EDIT
Actually looking at what you originally want you can do just this without the dropna call:
nms[nms.name.notnull()]
UPDATE
Looking at this question 3 years later, there is a mistake, firstly thresh arg looks for at least n non-NaN values so in fact the output should be:
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How do you install ssh-copy-id on a Mac?
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You can install it using Homebrew:
brew install ssh-copy-id
If you don't want to use Homebrew, you can use this Mac port:
curl -L https://raw.githubusercontent.com/beautifulcode/ssh-copy-id-for-OSX/master/install.sh | sh
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Format decimal for percentage values?
...een the value and the "%", and whether the "%" is leading or trailing, you can use NumberFormatInfo's PercentPositivePattern and PercentNegativePattern properties.
For example, to get a decimal value with a trailing "%" and no space between the value and the "%":
myValue.ToString("P2", new Numbe...
How to set limits for axes in ggplot2 R plots?
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Basically you have two options
scale_x_continuous(limits = c(-5000, 5000))
or
coord_cartesian(xlim = c(-5000, 5000))
Where the first removes all data points outside the given range and the second only adjusts the visible a...
What is the difference between MediaPlayer and VideoView in Android
...aren't doing much custom work, VideoView is the way to go.
That said, you can also pass the RTSP link off to the system to use the most appropriate app for playing the video, which is even easier to do:
String url = "rtsp://yourrtsplink.com/blah";
Uri uri = Uri.parse(url);
startActivity(new Intent...