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How to trim whitespace from a Bash variable?
... '
echo -e "length(FOO)==${#FOO}"
# > length(FOO)==16
How to remove all whitespace (denoted by [:space:] in tr):
FOO=' test test test '
FOO_NO_WHITESPACE="$(echo -e "${FOO}" | tr -d '[:space:]')"
echo -e "FOO_NO_WHITESPACE='${FOO_NO_WHITESPACE}'"
# > FOO_NO_WHITESPACE='testtesttest'
echo ...
Logcat not displaying my log calls
... wanted to learn how to debug my apps. I can't seem to have my Log.i|d|v calls displayed in the LogCat.
31 Answers
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How do I deploy Node.js applications as a single executable file? [duplicate]
...ourse, I want to make it easy for the user, hence I do not want him to install Node.js, run npm install and then manually type node app.js .
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How do I change the default location for Git Bash on Windows?
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After installing msysgit I have the Git Bash here option in the context menu in Windows Explorer. So I just simply navigate to the directory and then open Bash right there.
I also copied the default Git Bash shortcut to the desktop a...
How to print out a variable in makefile
... construct to any recipe to see what make will pass to the shell:
.PHONY: all
all: ; $(info $$var is [${var}])echo Hello world
Now, what happens here is that make stores the entire recipe ($(info $$var is [${var}])echo Hello world) as a single recursively expanded variable. When make decides to r...
Xcode warning: “Multiple build commands for output file”
...like I did), you can simply click "Validate Settings" and it will automatically delete duplicate references. Much easier than manually seeking them out
– Jon Mattingly
Jun 12 '13 at 21:29
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Why does visual studio 2012 not find my tests?
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My unittest project targets x64. When I created the project it was originally targeting x86.
After switching to x64 all my unit tests disappeared.
I had to go to the Test Menu -> Test Setting -Default Processor Architecture -> x64.
They still didn't show up.
Did a build.
Still didn't sh...
Using openssl to get the certificate from a server
...client -showcerts -connect example.com:443) -scq > file.crt
To return all certificates from the chain, just add g (global) like:
ex +'g/BEGIN CERTIFICATE/,/END CERTIFICATE/p' <(echo | openssl s_client -showcerts -connect example.com:443) -scq
Then you can simply import your certificate fi...
How do you change the width and height of Twitter Bootstrap's tooltips?
...on, you shouldn't declare a final width or your tooltip content will eventually wrap at that point. Instead, you use an infinite width or flexible width. max-width: 100%; will ensure that once the tooltip has initiated at 100px wide, it will grow and adjust to your content regardless of the amount o...
Is there a limit to the length of HTML attributes?
... element's attribute specification list (which should be the total size of all attributes for that element). The note above mentions that fixed limits should be avoided, however, so it's likely that there is no real limit other than available memory in most implementations.
HTML 5
HTML 5 seems to...