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How to ignore xargs commands if stdin input is empty?
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For GNU xargs, you can use the -r or --no-run-if-empty option:
--no-run-if-empty
-r If the standard input does not contain any nonblanks, do not run the command. Normally, the command is run once even if there is no input. This option is a GNU extensi...
How do I split a string with multiple separators in javascript?
...me", "world!"]
>>> bit = bits[bits.length - 1]
"world!"
... and if the pattern doesn't match:
>>> bits = "Hello awesome, world!".split(/foo/)
["Hello awesome, world!"]
>>> bits[bits.length - 1]
"Hello awesome, world!"
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Can I set up HTML/Email Templates with ASP.NET?
I'm working on a site that will send out a significant number of emails. I want to set up both header and footer text, or maybe even templates to allow the users to easily edit these emails if they need to.
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Set inputType for an EditText Programmatically?
... setInputType ultimately calls setTransformationMethod from within, so if you pass the TYPE_TEXT_VARIATION_PASSWORD to setInputType it will do this for you. The problem seems to ley in calling setSingleLine after calling setInputType which will call setTransformationMethod with null or the singl...
Parsing HTML into NSAttributedText - how to set font?
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Swift 2 version, based on the answer given by Javier Querol
extension UILabel {
func setHTMLFromString(text: String) {
let modifiedFont = NSString(format:"<span style=\"font-family: \(self.font!.fontName); font-...
psql: FATAL: database “” does not exist
...you by the database. Try this at a shell prompt:
createdb
and then see if you can log in again with
psql -h localhost
This will simply create a database for your login user, which I think is what you are looking for. If createdb fails, then you don't have enough rights to make your own data...
How to convert date to timestamp?
...Script/Reference/Global_Objects/…. I just forgot to put away the string. Now it works.
– antonjs
Mar 26 '12 at 13:52
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Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers
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You need to specify data, index and columns to DataFrame constructor, as in:
>>> pd.DataFrame(data=data[1:,1:], # values
... index=data[1:,0], # 1st column as index
... columns=data[0,1:]) # 1st row...
How to make an HTTP request + basic auth in Swift
...TFull service with basic authentication and I want to invoke it from iOS+swift. How and where I must provide Credential for this request?
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Convert InputStream to BufferedReader
...provides bytes, converting these to text means the encoding must be known. If you don't specify it, the system default is assumed.
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