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Generating a drop down list of timezones with PHP
Most sites need some way to show the dates on the site in the users preferred timezone. Below are two lists that I found and then one method using the built in PHP DateTime class in PHP 5.
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Linux vi arrow keys broken in insert mode
...ork in vi in insert mode at home, they just each insert a newline and a capital letter, like 'A'. Is there a way to fix that?
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Date only from TextBoxFor()
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[DisplayName("Start Date")]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:yyyy-MM-dd}")]
public DateTime StartDate { get; set; }
Then:
<%=Html.EditorFor(m => m.StartDate) %>
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git push local branch with same name as remote tag
...h a new local branch product-0.2 to remote where there is already a tag with the same name (but the branch itself does not exist)
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How do you add a timer to a C# console application
Just this - How do you add a timer to a C# console application? It would be great if you could supply some example coding.
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Global and local variables in R
I am a newbie for R, and I am quite confused with the usage of local and global variables in R.
3 Answers
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How do you remove all the options of a select box and then add one option and select it with jQuery?
...you remove all the options of a select box, then add one option and select it?
24 Answers
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how to use sed, awk, or gawk to print only what is matched?
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My sed (Mac OS X) didn't work with +. I tried * instead and I added p tag for printing match:
sed -n 's/^.*abc\([0-9]*\)xyz.*$/\1/p' example.txt
For matching at least one numeric character without +, I would use:
sed -n 's/^.*abc\([0-9][0-9]*\)xyz.*$/\...
Retrieve only the queried element in an object array in MongoDB collection
....color": "red"}, {_id: 0, 'shapes.$': 1});
MongoDB 3.2 Update
Starting with the 3.2 release, you can use the new $filter aggregation operator to filter an array during projection, which has the benefit of including all matches, instead of just the first one.
db.test.aggregate([
// Get just t...
Is there a /dev/null on Windows?
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I think you want NUL, at least within a command prompt or batch files.
For example:
type c:\autoexec.bat > NUL
doesn't create a file.
(I believe the same is true if you try to create a file programmatically, but I haven't tried it.)
In PowerShell, ...