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Singleton with Arguments in Java
...ine arguments?", and the answer is that it makes a lot of sense. One could now say that this is fairly different from a singleton class, except if the class is actually the Main class that does receive the args[] from the main method - then it's even the same thing. The final argument, which might j...
When to use window.opener / window.parent / window.top
...I've a main page which opens a child using window.open() upon page submit. Now this child window open another child window with the same window.open() closing self. Now when I submit my second child (first child is no more exists), I would like to access the page elements of my main page. Is this po...
How can I undo git reset --hard HEAD~1?
...0 deletions(-)
create mode 100644 file2
$ git reset --hard HEAD^
HEAD is now at 1a75c1d... added file1
$ cat file2
cat: file2: No such file or directory
$ git reflog
1a75c1d... HEAD@{0}: reset --hard HEAD^: updating HEAD
f6e5064... HEAD@{1}: commit: added file2
$ git reset --hard f6e5064
HEAD i...
Remove insignificant trailing zeros from a number?
...
@w00t Oh, sorry, I understand now. I was the way I tested when I made mine (see link above). Yours doesn't fail when you use toFixed, because the number is guaranteed to have a dot, but it was failing in my tests because I wanted the regex to work for any...
What are the new documentation commands available in Xcode 5? [closed]
...are.
- returns: The number squared.
*/
Notice how @param is now - parameter.
You can also now include bullets in your documentation:
/**
- square(5) = 25
- square(10) = 100
*/
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How to capture no file for fs.readFileSync()?
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now, fs.existsSync is not deprecated anymore: "Note that fs.exists() is deprecated, but fs.existsSync() is not."
– falkodev
Feb 17 '17 at 11:43
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Can't get Gulp to run: cannot find module 'gulp-util'
...
So with a 150K views on this question alone, I'd love to know what the root cause of this is... This occurs quite frequently for me and I'm guessing I'm not the only one. This adds up to a lot of wasted time!
– cloakedninjas
Jul 7 '17 at 9:41
...
Calculating moving average
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Some years later but dplyr now has a filter function, if you have this package loaded use stats::filter
– blmoore
Apr 8 '15 at 14:00
...
Error installing mysql2: Failed to build gem native extension
...with-mysql-include="c:\Program Files\MySQL\MySQL Server 5.5\include"'
Now the gem should have installed correctly
Lastly copy the libmysql.dll file from
C:\Program Files\MySQL\MySQL Server 5.5\lib
to
C:\Rails\Ruby1.9.2\bin
--- Install the mysql2 Gem ---
You will now be able to u...
ERROR:'keytool' is not recognized as an internal or external command, operable program or batch file
...sing the below command
set PATH=C:\Program Files\Java\jdk1.8.0_211\bin
now the path is set now you can use the keytool
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