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dd: How to calculate optimal blocksize? [closed]
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For determining THE optimal output block size, I've written the following script that tests writing a 128M test file with dd at a range of different block sizes, from the default of 512 bytes to a maximum of 64M. Be warned, this script uses dd internally, so use with caution.
dd_obs_test.sh:
#!/b...
Contain form within a bootstrap popover?
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Please read: getbootstrap.com/javascript/#popovers You are looking for the trigger option. (trigger: 'focus')
– HaNdTriX
Dec 17 '14 at 15:49
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How can I search Git branches for a file or directory?
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I wrapped this up in a script so you can run "gitfind.sh <regex>"; the gist is gist.github.com/62d981890eccb48a99dc
– Handyman5
Sep 19 '11 at 17:12
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Relative URL to a different port number in a hyperlink?
Is there a way without Javascript / server-side scripting to link to a different port number on the same box, if I don't know the hostname?
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Batch script loop
... echo %%x
(which is one of the things I really really hate about windows scripting)
If you have multiple commands for each iteration of the loop, do this:
for /l %x in (1, 1, 100) do (
echo %x
copy %x.txt z:\whatever\etc
)
or in a batch file
for /l %%x in (1, 1, 100) do (
echo %%x
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Two versions of python on linux. how to make 2.7 the default
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Your distro installed a standard system Python in /usr/bin, and may have scripts that depend on this being present, and selected by #! /usr/bin/env python. You can usually get away with running Python 2.6 scripts in 2.7, but do you want to risk it?
On top of that, monkeying with /usr/bin can brea...
Check whether user has a Chrome extension installed
...the whole thing to work the way I would like it to, I need an external JavaScript script to be able to detect if a user has my extension installed.
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Enterprise app deployment doesn't work on iOS 7.1
...starts but after a few seconds, "... could not be downloaded at this time" alert comes.
– alper_k
Mar 18 '14 at 14:18
1
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LINQPad [extension] methods [closed]
...ppropriate spot.
To use it:
Customers.OnDemand("Customers").Dump(); // description is optional
Util.ProgressBar is a class that can show a graphical progressbar inside the output window, that can be changed as the code moves on.
NOTE! Remember to .Dump() the Util.ProgressBar object in the appro...
Test if remote TCP port is open from a shell script
...esting if a given TCP port is open on a remote server, from inside a Shell script.
16 Answers
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