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Very large matrices using Python and NumPy
...y considers the largest type for object by default this might be a helpful idea in many cases. Here is an example:
In [70]: a = np.arange(5)
In [71]: a[0].dtype
Out[71]: dtype('int64')
In [72]: a.nbytes
Out[72]: 40
In [73]: a = np.arange(0, 2, 0.5)
In [74]: a[0].dtype
Out[74]: dtype('float64')
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How do I comment out a block of tags in XML?
...en lies in the middle of the comment. It should not make a difference, but ideal and real world can be quite a bit apart, sometimes (especially when it comes to XML processing).
Try to change the ]]>, too:
<!--detail>
<band height="20">
<staticText>
<rep...
Python argparse command line flags without arguments
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@Jdog, Any idea of why this doesn't work for me? The w is always False.
– Iulian Onofrei
Apr 12 '15 at 21:27
ad...
Git Ignores and Maven targets
...ath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/build/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
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Why is Magento so slow? [closed]
...nd - for Magento2 - switch on production mode! Varnish is also a very good idea, providing your application does not have issues with full-page cache.
– Dmitri Sologoubenko
Mar 25 '19 at 20:19
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How do I install from a local cache with pip?
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Maybe better idea is to put it into .bashrc, because bash_profile is executed only during login. That's up to you, and anyway it's a good advice :)
– Nikita Hismatov
May 24 '12 at 9:31
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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...pd.id, followed by a bare INSERT INTO testtable SELECT * FROM newvals? My idea with this: instead of filtering twice in INSERT (for the JOIN/WHERE and for the unique constraint), reuse the existence check results from the UPDATE, which are in RAM already, and may be much smaller. This may be a win ...
Why would a JavaScript variable start with a dollar sign? [duplicate]
...eld doesn't really make sense for a DOM element. But I did follow the same idea.
I tried a few different things, among them something very similar to the example:
var email = $("#email"), emailElement = $("#email")[0];
// Now email is a jQuery object and emailElement is the first/only DOM element ...
What is self-documenting code and can it replace well documented code? [closed]
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The idea behind "self-documenting" code is that the actual program logic in the code is trivially clear enough to explain to anyone reading the code not only what the code is doing but why it is doing it.
In my opinion, the idea...
How can I tell IntelliJ's “Find in Files” to ignore generated files?
... files, like JAX-WS artifacts or classes in target folders. How can I tell IDEA to exclude these files from the find?
4 Ans...
