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What is the difference between map and flatMap and a good use case for each?
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Use test.md as a example:
➜ spark-1.6.1 cat test.md
This is the first line;
This is the second line;
This is the last line.
scala> val textFile = sc.textFile("test.md")
scala> textFile.map(line => line.split(" ")).c...
Comparing numbers in Bash
...hen
...
fi
You can get a full list of comparison operators with help test or man test.
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Insert a line break in mailto body
...nto my mailto body.
I tried %0A, %0D and %0D%0A. Nothing worked for me.
I tested on Gmail, Yahoo, Apple Mail, Outlook 2010, Outlook.com and Thunderbird with Google Chrome on Mac OSX.
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Tainted canvases may not be exported
...s because your most sensitive info is likely on your local drive!).
While testing try these workarounds:
Put all page related files (.html, .jpg, .js, .css, etc) on your desktop (not in sub-folders).
Post your images to a site that supports cross-domain sharing (like dropbox.com). Be sure you pu...
Which icon sizes should my Windows application's icon include?
...caled down from the bigger 32px size, which may look even uglier). Haven't tested.
– Camilo Martin
Jan 10 '12 at 22:52
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Has anyone used Coffeescript for a production application? [closed]
...including support for offline mode.
All of our coffeescript code is fully tested. The tests themselves are written in coffeescript, and use the Qunit framework (which is written in javascript). We also wrote an extension to the Qunit framework that makes the tests nicer. The Qunit extension is w...
What is the use of printStackTrace() method in Java?
...tion
Calling e.printStackTrace():
java.io.IOException
at package.Test.main(Test.java:74)
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Keyboard shortcuts with jQuery
...text/javascript">
$(document).ready(function(){
$("#test").keypress(function(e){
if (e.which == 103)
{
alert('g');
};
});
});
</script>
<input type="text" id="test" />...
Print a list of all installed node.js modules
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Use npm ls (there is even json output)
From the script:
test.js:
function npmls(cb) {
require('child_process').exec('npm ls --json', function(err, stdout, stderr) {
if (err) return cb(err)
cb(null, JSON.parse(stdout));
});
}
npmls(console.log);
run:
> node test...
Can Selenium interact with an existing browser session?
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In case anyone needs it, I have tried and tested some Java code to make selenium use an existing browser session - stackoverflow.com/a/51145789/6648326.
– MasterJoe
Jul 9 '18 at 1:40
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