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How do the post increment (i++) and pre increment (++i) operators work in Java?
...)); // a is 8 at the end
The parenteses I used above are implicitly used by Java. If you look at the terms this way you can easily see, that they are both the same as they are commutative.
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Map over object preserving keys
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Creates an object with the same keys as object and values generated by
running each own enumerable property of object through the callback.
The callback is bound to thisArg and invoked with three arguments;
(value, key, object).
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Automatic counter in Ruby for each?
...lah, index| something(blah, index) }
This is something you can do from ruby 1.8.7 and 1.9.
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PowerShell equivalent to grep -f
...ern (Get-Content .\regex.txt)
This searches through the textfile doc.txt by using every regex(one per line) in regex.txt
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Unable to load Private Key. (PEM routines:PEM_read_bio:no start line:pem_lib.c:648:Expecting: ANY PR
... Oh my good God! THANK YOU! I would've never figured that out by trial and error, fixed the issue for me!
– Mikael Dyreborg Hansen
Apr 15 at 12:48
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MySQL: determine which database is selected?
...till worth knowing:
You can set the prompt to display the default database by using any of the following
mysql --prompt='\d> '
export MYSQL_PS1='\d> '
or once inside
prompt \d>\_
\R \d>\_
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Bootstrap select dropdown list placeholder
... This worked the best for me, because selected meaning it's selected by default, disabled so it can't be clicked, and hidden from the dropdown. I do suppose if hidden is used, disabled probably doesn't need to be in there.
– aspergillusOryzae
Oct 3 '18 at...
Adjusting and image Size to fit a div (bootstrap)
...also just block any overflow - see this example to see an image restricted by height and cut off because it's too wide.
.top1 {
height:390px;
background-color:#FFFFFF;
margin-top:10px;
overflow: hidden;
}
.top1 img {
height:100%;
}
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Apache POI Excel - how to configure columns to be expanded?
...o loop over each row in the col, find the longest char length and multiply by x + add a buffer. X use trial and error to see what fits but it should be a average width of a char. Without font I don't believe you can actually get it right but we get pretty close. Otherwise you can add a macro to exce...
ImportError: No module named six
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...