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What is the runtime performance cost of a Docker container?
...g nothing but floating-point performance as performed). The major overhead from KVM is in the userspace hardware emulation components (which only apply to non-CPU hardware); there's significant overhead around memory paging... but raw floating-point? I'd want to look at what was actually going on th...
Prevent double submission of forms in jQuery
...er page load, you can give them a class indicating that, then exclude them from your selector like this:
$('form:not(.js-allow-double-submission)').preventDoubleSubmission();
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When to dispose CancellationTokenSource?
...he current answers were satisfactory. After researching I found this reply from Stephen Toub (reference):
It depends.
In .NET 4, CTS.Dispose served two primary purposes. If the
CancellationToken's WaitHandle had been accessed (thus lazily
allocating it), Dispose will dispose of that handle. Addit...
Set font-weight using Bootstrap classes
...
Furthermore strong doesn't mean bold necessarily. From developer.mozilla.org/en-US/docs/Web/HTML/Element/strong: "Typically this element is rendered by default using a bold font weight. However, it should not be used simply to apply bold styling; use the CSS font-weight...
Why does InetAddress.isReachable return false, when I can ping the IP address?
...URLConnection)url.openConnection();
//trying to retrieve data from the source. If there
//is no connection, this line will fail
Object objData = urlConnect.getContent();
} catch (Exception e) {
e.printStackTrace();
r...
Android Debug Bridge (adb) device - no permissions [duplicate]
...ggestion). Somehow HTC Wildfire (and maybe the others) need something more from the system than Samsung devices. Simple solution is to run Eclipse as a root, but this is not very comfortable with non-sudo Linux systems like Fedora.
I've found another way of achieving the same goal, which seems to b...
AWS ssh access 'Permission denied (publickey)' issue [closed]
... It took me ages to find this out - it's not mentioned in the connect info from the console! It does tell you when you try to use root, but I thought ec2-user was a reference to my username. Doh!
– Adrian Mouat
Jan 13 '12 at 16:37
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Changing the “tick frequency” on x or y axis in matplotlib?
...
I like this solution (from the Matplotlib Plotting Cookbook):
import matplotlib.pyplot as plt
import matplotlib.ticker as ticker
x = [0,5,9,10,15]
y = [0,1,2,3,4]
tick_spacing = 1
fig, ax = plt.subplots(1,1)
ax.plot(x,y)
ax.xaxis.set_major_loc...
Fastest method to replace all instances of a character in a string [duplicate]
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Slater -- that functionality comes from the behavior of split -- if you split on an empty string, an array of each of the characters is returned. Logically its as if there is an empty string between each character. It also matches a regex zero length match. ...
Gulps gulp.watch not triggered for new or deleted files?
...new files or deleted files. No need! gulp.watch does this. Removing all ./ from the paths cleared up issues. Awesome.
– The Qodesmith
Aug 26 '15 at 13:48
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