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What is your single most favorite command-line trick using Bash? [closed]
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My favorite is '^string^string2' which takes the last command, replaces string with string2 and executes it
$ ehco foo bar baz
bash: ehco: command not found
$ ^ehco^echo
foo bar baz
Bash command line history guide
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Set opacity of background image without affecting child elements
... @mystrdat You're already downloading the image, this isn't an extra request.
– brad
Feb 22 '13 at 4:47
2
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Submit HTML form on self page
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Not so awesome. This would remove all query strings of the current URL if it has them.
– OMA
Aug 30 '19 at 17:13
2
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Why is Git better than Subversion?
... ways to copy the repo). With Git, that's the default mode anyway. It's an extra command though (git commit commits locally, whereas git push origin master pushes the master branch to the remote named "origin").
As said above: Git adds complexity. Two modes of creating repositories, checkout vs. cl...
target=“_blank” vs. target=“_new”
..._blank"
According to the HTML5 Spec:
A valid browsing context name is any string with at least one character that does not start with a U+005F LOW LINE character. (Names starting with an underscore are reserved for special keywords.)
A valid browsing context name or keyword is any string that is ei...
Convert generic List/Enumerable to DataTable?
...agnostics;
public class MyData
{
public int A { get; set; }
public string B { get; set; }
public DateTime C { get; set; }
public decimal D { get; set; }
public string E { get; set; }
public int F { get; set; }
}
static class Program
{
static void RunTest(List<MyData&g...
How can I launch multiple instances of MonoDevelop on the Mac?
...Using the shell to enter the command as others have described to launch an extra instance is fine, but I prefer having an icon on the dock that I can just click.
It's easy to do:
Open AppleScript Editor and enter the following:
do shell script "open -n /Applications/MonoDevelop.app/"
Save with a...
How to use enums in C++
...es themselves don't have members. What you wrote is the equivalent to std::string.clear. std::string is a type, so you can't use . on it. You use . on an instance of a class.
Unfortunately, enums are magical and so the analogy stops there. Because with a class, you can do std::string::clear to g...
How can a LEFT OUTER JOIN return more records than exist in the left table?
...ually want you can use aggregate functions (if for example you just want a string from the right part you could generate a column that is a comma delimited string of the right side results for that left row.
If you are only looking at 1 or 2 columns from the outer join you might consider using a sc...
Why is it not advisable to have the database and web server on the same machine?
...ame thing. Switching you DB server is as easy as changing your connection string (in most cases).
– CitizenBane
Oct 5 '09 at 14:24
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