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git produces Gtk-WARNING: cannot open display
...HEL 6.8 server and trying to clone a github.com repo from the RHEL box) so what I did was clone via an SSH key rather than HTTPS username/password. e.g. I used git@github.com:MyUsername/myproject.git rather than the https url. I also appropriately uploaded my public key into Github. This method work...
How can I replace a newline (\n) using sed?
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sed is intended to be used on line-based input. Although it can do what you need.
A better option here is to use the tr command as follows:
tr '\n' ' ' < input_filename
or remove the newline characters entirely:
tr -d '\n' < input.txt > output.txt
or if you have the GNU ver...
Turning multi-line string into single comma-separated
...down into fields
-vORS=, sets the "output record separator" to ,, which is what you wanted
{ print $2 } tells awk to print the second field for every record (line)
file.txt is your filename
sed just gets rid of the trailing , and turns it into a newline (if you want no newline, you can do s/,$//)
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How to produce a range with step n in bash? (generate a sequence of numbers with increments)
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my understanding is that seq is a part of coreutils. what is non-standard about it? arguments? thanks for your help.
– SilentGhost
Jun 8 '09 at 18:14
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Detect URLs in text with JavaScript
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Here is what I ended up using as my regex:
var urlRegex =/(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
This doesn't include trailing punctuation in the URL. Crescent's function works like a...
How to use Chrome's network debugger with redirects
... force Chrome to not clear the Network debugger, but this might accomplish what you're looking for:
Open the js console
window.addEventListener("beforeunload", function() { debugger; }, false)
This will pause chrome before loading the new page by hitting a breakpoint.
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SQL WHERE condition is not equal to?
...nly you can decide that.
Be aware, though, that the use of NOT can affect what the optimizer can or can't do. You might get a less than optimal query plan.
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Check if a value is within a range of numbers
...ood it answers the question. That's because I generally assume people know what they are asking for. The checkmark shows me this wasn't the case with this questioner.
– Leif
Jun 23 '11 at 13:16
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Converting dict to OrderedDict
... a text-adventure. The order is essential to compare accurately.
No matter what I try the dictionaries print in their usual unordered way.
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Dynamically Changing log4j log level
What are the different approaches for changing the log4j log level dynamically, so that I will not have to redeploy the application. Will the changes be permanent in those cases?
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