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How can I determine the current line number in JavaScript?
Does JavaScript have a mechanism for determining the line number of the currently executing statement (and if so, what is it)?
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How to test if string exists in file with Bash?
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If I execute this command from bash script how to catch 0 or 1 into a variable ?
– Toren
Jan 20 '11 at 16:06
6
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importing pyspark in python shell
...efault, thus an import pyspark will fail at command line or in an executed script. You have to either a. run pyspark through spark-submit as intended or b. add $SPARK_HOME/python to $PYTHONPATH.
– kingledion
Oct 10 '19 at 16:10
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What is Gradle in Android Studio?
...res folder).
Now, in order to automate all these tasks, there has to be a script; you can write your own build system using shell scripting in linux or batch files syntax in windows. Got it?
Gradle is another build system that takes the best features from other build systems and combines them into...
docker error: /var/run/docker.sock: no such file or directory
I am new to docker. I have a shell script that loads data into impala and I want a docker file that runs builds an image and run the container.
I am on mac, installed boot2docker and have the DOCKER_HOST env set up.
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Check if element is visible in DOM
...e display style property. Just make sure that the element isn't fixed. A script to check this, if you have no position: fixed; elements on your page, might look like:
// Where el is the DOM element you'd like to test for visibility
function isHidden(el) {
return (el.offsetParent === null)
}
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How to pipe input to a Bash while loop and preserve variables after loop ends
...nd in the current shell environment.
Thus, using something like this in a script makes the modfied sum available after the loop:
FILECONTENT="12 Name
13 Number
14 Information"
shopt -s lastpipe # Comment this out to see the alternative behaviour
sum=0
echo "$FILECONTENT" |
while read number name;...
Cross-browser multi-line text overflow with ellipsis appended within a fixed width and height
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I had a bad experience of infinite loop with this script because the text contained only one very long word, so the replace regexp never matched. To avoid this, add this code just after the while line: if(!$p.text().match(/\W*\s(\S)*$/)) break;
– KrisWe...
Node.js Error: Cannot find module express
...arting my app as a normal user, but when starting my app and a system init script it wouldn't work. I fixed it by installing winston locally in the app directory (and adding it to package.json).
– trusktr
Apr 21 '14 at 2:08
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HTML: Include, or exclude, optional closing tags?
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You don't need </head><body> unless you have DOM-manipulating scripts that actually search <head> (then it's better to close it explicitly, because rules for implied end of <head> could surprise you).
Nested lists are actually better off without </li>, because then it...