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How can I find out a file's MIME type (Content-Type)?
...type image.png
image/png
> file -i FILE_NAME
image.png: image/png; charset=binary
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Worth switching to zsh for casual use? [closed]
...gard. But I don't really have the inclination to spend hours fiddling with settings to improve my command line usage by a tiny amount, since my life on the command line isn't that bad.
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How to flip windows in vim? [duplicate]
...ould extend it with <leader>wP to top split and <leader>wV to :set nosplitright \| call PasteWindow('vsplit') \| set splitright<cr>. And <leader>wr makes more sense ('replace') than <leader>we.
– zelk
Sep 24 '17 at 14:32
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Iterating a JavaScript object's properties using jQuery
...th increasing indent:
function enumerate(o,s){
//if s isn't defined, set it to an empty string
s = typeof s !== 'undefined' ? s : "";
//iterate across o, passing keys as k and values as v
$.each(o, function(k,v){
//if v has nested depth
if(typeof v == "object"){
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How to delete a row by reference in data.table?
...taken in order to make memory use be similar to in-place deletion is to subset a column at a time and delete. not as fast as a proper C memmove solution, but memory use is all i care about here. something like this:
DT = data.table(col1 = 1:1e6)
cols = paste0('col', 2:100)
for (col in cols){ DT[, (...
module unsafe for SAFESEH image C++
...h I can choose SAFESEH:NO in the Advanced Options submenu under the linker settings, it will not stay chosen. It always reverts back to SAFESEH:YES.
– user382459
Apr 21 '16 at 22:17
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Align inline-block DIVs to top of container element
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Because the vertical-align is set at baseline as default.
Use vertical-align:top instead:
.small{
display: inline-block;
width: 40%;
height: 30%;
border: 1px black solid;
background: aliceblue;
vertical-align:top;
}
http://j...
Ruby replace string with captured regex pattern
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$ variables are only set to matches into the block:
"Z_sdsd: sdsd".gsub(/^(Z_.*): .*/) { "#{ $1.strip }" }
This is also the only way to call a method on the match. This will not change the match, only strip "\1" (leaving it unchanged):
"Z_sds...
How to get a index value from foreach loop in jstl
I have a value set in the request object like the following,
5 Answers
5
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Draw in Canvas by finger, Android
....onCreate(savedInstanceState);
dv = new DrawingView(this);
setContentView(dv);
mPaint = new Paint();
mPaint.setAntiAlias(true);
mPaint.setDither(true);
mPaint.setColor(Color.GREEN);
mPaint.setStyle(Paint.Style.STROKE);
mPaint.setStrokeJ...