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Calculate text width with JavaScript
I'd like to use JavaScript to calculate the width of a string. Is this possible without having to use a monospace typeface?
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Rake just one migration
...n a single migration that changed and needed to be re-run independently of all other migrations. Fire up the console and do this:
>> require 'db/migrate/your_migrations.rb'
=> ["YourMigrations"]
>> YourMigrations.up
=> etc... as the migration runs
>> YourMigration.down
Mor...
How to check if a line is blank using regex
...like this in multiline mode:
^\s*$
Explanation:
^ is the beginning of string anchor.
$ is the end of string anchor.
\s is the whitespace character class.
* is zero-or-more repetition of.
In multiline mode, ^ and $ also match the beginning and end of the line.
References:
regular-expression...
Ruby convert Object to Hash
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instance_values can be used for all ruby objects for the similar output.
– bishal
Jan 22 '19 at 11:37
add a comment
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After submitting a POST form open a new window showing the result
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Add
<form target="_blank" ...></form>
or
form.setAttribute("target", "_blank");
to your form's definition.
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Replace one character with another in Bash
I need to be able to do is replace a space ( ) with a dot ( . ) in a string in bash.
6 Answers
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postgresql - sql - count of `true` values
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You can actually omit ELSE null to get the same result.
– 200_success
May 12 '16 at 18:26
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Environment variables in Mac OS X
...;plist version="1.0">
<dict>
<key>Label</key>
<string>local.launchd.conf</string>
<key>ProgramArguments</key>
<array>
<string>sh</string>
<string>-c</string>
<string>launchctl &lt; ~/.launchd.con...
Replace specific characters within strings
I would like to remove specific characters from strings within a vector, similar to the Find and Replace feature in Excel.
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How do I read and parse an XML file in C#?
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XmlDocument to read an XML from string or from file.
XmlDocument doc = new XmlDocument();
doc.Load("c:\\temp.xml");
or
doc.LoadXml("<xml>something</xml>");
then find a node below it ie like this
XmlNode node = doc.DocumentElement.SelectSi...