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How to create new tmux session if none exists
... mySession
From man tmux:
new-session[-AdDEP] [-cstart-directory] [-Fformat] [-nwindow-name] [-ssession-name] [-tgroup-name] [-xwidth] [-yheight] [shell-command]
(alias: new)
Create a new session with name session-name.
[...]
The -A flag makes new-session behave like attach...
Comparing Dates in Oracle SQL
...means:
DD numeric day of the month, 1 - 31
MM numeric month of the year, 01 - 12 ( January is 01 )
YYYY 4 digit year - in my opinion this is always better than a 2 digit year YY as there is no confusion with what century you're referring to.
HH24 hour of the day, 0 - 23
MI minute of the hour, 0 - ...
Create a string of variable length, filled with a repeated character
So, my question has been asked by someone else in it's Java form here: Java - Create a new String instance with specified length and filled with specific character. Best solution?
...
Reading header data in Ruby on Rails
... Accessing instance variables like this directly is really bad form. That underscore is there as a reminder to not do this.
– tadman
Aug 9 '19 at 18:44
add a comme...
Create or write/append in text file
... $this->file = $filename;
}
public function setTimestamp($format) {
$this->timestamp = date($format)." » ";
}
public function putLog($insert) {
if (isset($this->timestamp)) {
file_put_contents($this->file, $this->timestamp.$...
Printf width specifier to maintain precision of floating-point value
...= 1.0/7.0;
printf("%.*e\n", Digs, OneSeventh);
// 1.428571428571428492127e-01
But let's dig deeper ...
Mathematically, the answer is "0.142857 142857 142857 ...", but we are using finite precision floating point numbers.
Let's assume IEEE 754 double-precision binary.
So the OneSeventh = 1.0/7....
Best way to get InnerXml of an XElement?
...might contain either XHTML or text, but I just want its contents in string form. The XmlElement type has the InnerXml property which is exactly what I'm after.
...
How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
... list of one or more patterns separated by a |. Composite patterns may be formed using one or more of the following sub-patterns:
?(pattern-list)
Matches zero or one occurrence of the given patterns
*(pattern-list)
Matches zero or more occurrences of the given patterns
+(pattern...
Format XML string to print friendly XML string
...e XmlDocument with the XML.
document.LoadXml(xml);
writer.Formatting = Formatting.Indented;
// Write the XML into a formatting XmlTextWriter
document.WriteContentTo(writer);
writer.Flush();
mStream.Flush();
// Have to rewind the MemoryStream...
Undoing a 'git push'
...n't mess with the space-time continuum.
– Alien Life Form
Sep 14 '15 at 22:36
9
What is the + for...