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Multiple “order by” in LINQ
...es, I concluded that too hastily based on 3.5 not being in the version dropdown in the documentation page; I should have looked all the way down for the version information. Thanks for the correction. :)
– Jordan Gray
Dec 9 '13 at 13:37
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JSF backing bean structure (best practices)
...The typical use case is supplying an ArrayList to JSF h:selectOneMenu drop-down lists that appear in more than one JSF view. If the data in the dropdown lists is particular to the user, then the bean would be kept in session scope. However, if the data applies to all users (such as a dropdown lists ...
How can a time function exist in functional programming?
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RealWorld -> (a, RealWorld) does not break down as metaphor even under concurrency, as long as you keep in mind that the real world might be changed by other parts of the universe outside of your function (or your current process) at all times. So (a) the methaphor do...
Reduce left and right margins in matplotlib plot
... need is
plt.tight_layout()
before your output.
In addition to cutting down the margins, this also tightly groups the space between any subplots:
x = [1,2,3]
y = [1,4,9]
import matplotlib.pyplot as plt
fig = plt.figure()
subplot1 = fig.add_subplot(121)
subplot1.plot(x,y)
subplot2 = fig.add_subp...
A clean, lightweight alternative to Python's twisted? [closed]
...asynchronous server.
I suppose it's similar to Eventlet in this way.
The downside is that its API is quite different from Python's sockets/threading modules; you need to rewrite a fair bit of your application (or write a compatibility shim layer)
Edit: It seems that there's also cogen, which is s...
Why should I use Deque over Stack?
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Performance might be a reason. An algorithm I used went down from 7.6 minutes to 1.5 minutes by just replacing Stack with Deque.
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AWK: Access captured group from line pattern
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That was a stroll down memory lane...
I replaced awk by perl a long time ago.
Apparently the AWK regular expression engine does not capture its groups.
you might consider using something like :
perl -n -e'/test(\d+)/ && print $1'
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How to recursively delete an entire directory with PowerShell 2.0?
...n my box, and had tried rm -rf folder and of course it failed. I initially down voted the answer (because it said Ubuntu). Thanks to the comment by @chwarr, I tried it without the f and it picked up the alias rather than rm binary. I wish Tuan would update his source (not sure if Tuan knew it was an...
Git alias with positional parameters
...nch -u $2 #". This works great without the first two statements, but falls down if you use them. (I have headBranch = symbolic-ref --short HEAD as well).
– gib
Aug 12 '17 at 19:17
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MySQL indexes - what are the best practices?
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Load Data Efficiently: Indexes speed up retrievals but slow down inserts and deletes, as well as updates of values in indexed columns. That is, indexes slow down most operations that involve writing. This occurs because writing a row requires writing not only the data row, it requires...