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What is a good reason to use SQL views?
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(Copied from the first tutorial that came up in a Google search (link now dead), but it has all of the benefits I would have typed manually myself.)
Views have the following benefits:
Security - Views can be made accessible to users while the underlying tables are not directly accessible. Thi...
Conditional import of modules in Python
...user is on is Windows or Linux. I take the OS name as input from the user. Now, is it correct to do the following?
3 Answer...
Check if OneToOneField is None in Django
... doesn't work all the time. In case you want to work with select_related() now or in the future -- or maybe even to be sure you also handle other sorts of magic which may happen elsewhere -- you have to extend the test as follows: if hasattr(object, 'onetoonerevrelattr') and object.onetoonerevrelatt...
How to grep for two words existing on the same line? [duplicate]
...wer more for the "teach a man how to fish" bit, I expected the OP doesn't know them, and man pages can get pretty handy.
– houbysoft
Jun 25 '11 at 21:53
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How to use Bash to create a folder if it doesn't already exist?
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Wow! Knowing that "[" is a command in bash is such an eye-opener. I feel like a lot of issues with my bash scripts are now resolved!
– raluru
Nov 5 '19 at 11:13
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How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
...ytool expects, e.g. openssl x509 -in certs.txt -out certs.der -outform DER
Now you want to import this cert into the system default 'cacert' file. Locate the system default 'cacerts' file for your Java installation. Take a look at How to obtain the location of cacerts of the default java installatio...
Java compile speed vs Scala compile speed
...ing from Scala 2.7 to Scala 2.8, and I expect the improvements to continue now that the dust has settled on 2.8. This page documents some of the ongoing efforts and ideas to improve the performance of the Scala compiler.
Martin Odersky provides much more detail in his answer.
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How do I simulate a low bandwidth, high latency environment?
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Note: MasterShaper now points to some unrelated landing page
– Jean Spector
Jul 22 at 16:06
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How can I change an element's text without changing its child elements?
...s, however. e.g. if the text was at the end of the element first, it would now be at the start.
– Matt
Aug 31 '15 at 17:47
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Why is Java's SimpleDateFormat not thread-safe? [duplicate]
...t fall into the 97%, where "we should forget about small inefficiencies"? Now, I've seen folks, with custom web frameworks, wrapping controller in a synchronized block, and thus all access beyond including database calls, business logic - and then spending a huge effort on performance testing. No ...