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What is the difference between buffer and cache memory in Linux?
...ed (thus the total page cache size is Cached + SwapCached). Linux performs all file I/O through the page cache. Writes are implemented as simply marking as dirty the corresponding pages in the page cache; the flusher threads then periodically write back to disk any dirty pages. Reads are implemented...
Some projects cannot be imported because they already exist in the workspace error in Eclipse
...stead of <name>Project2</name>.
So, I did following things in order to get the issue fixed:
Cut and paste Project2 outside the workspace
Change .project file to have <name>Project2</name>
Try importing Project2 again.
It worked for me.
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Using R to download zipped data file, extract, and import data
...
Zip archives are actually more a 'filesystem' with content metadata etc. See help(unzip) for details. So to do what you sketch out above you need to
Create a temp. file name (eg tempfile())
Use download.file() to fetch the file into the temp....
How to remove the border highlight on an input text element
.../tabbed into), many browsers (at least Safari and Chrome) will put a blue border around it.
17 Answers
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Apply style ONLY on IE
... 2017
Depending on the environment, conditional comments have been officially deprecated and removed in IE10+.
Original
The simplest way is probably to use an Internet Explorer conditional comment in your HTML:
<!--[if IE]>
<style>
.actual-form table {
width: 100%;
...
How to temporarily exit Vim and go back
... Can use $ ps to find whether we're in a vim sub-shell before calling $ exit to avoid closing the terminal accidentally. Found this here (I haven't tried the prompt indicator mentioned on the website).
– Daniel
May 2 '19 at 10:07
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How to convert an Int to a String of a given length with leading zeros to align?
...ocale.US, 123)
res6: String = 0000123
Edit post Scala 2.10: as suggested by fommil, from 2.10 on, there is also a formatting string interpolator (does not support localisation):
val expr = 123
f"$expr%07d"
f"${expr}%07d"
Edit Apr 2019:
If you want leading spaces, and not zero, just leave out ...
How to draw a rounded Rectangle on HTML Canvas?
...nt.getElementById("rounded-rect").getContext("2d");
// Draw using default border radius,
// stroke it but no fill (function's default values)
roundRect(ctx, 5, 5, 50, 50);
// To change the color on the rectangle, just manipulate the context
ctx.strokeStyle = "rgb(255, 0, 0)";
ctx.fillStyle = "rgba(...
How do I create 7-Zip archives with .NET?
...
If you can guarantee the 7-zip app will be installed (and in the path) on all target machines, you can offload by calling the command line app 7z. Not the most elegant solution but it is the least work.
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How to create named and latest tag in Docker?
...erly, you will probably want to do docker tag -f $ID creack/node:latest in order to force the tagging with latest (in case a previous image was already latest)
– treaz
Jun 25 '15 at 10:45
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