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Redis strings vs Redis hashes to represent JSON: efficiency?
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It depends on how you access the data:
Go for Option 1:
If you use most of the fields on most of your accesses.
If there is variance on possible keys
Go for Option 2:
If you use just single fields on most of your accesses.
If you always know which fields are available
P.S.: As a rule o...
On delete cascade with doctrine2
I'm trying to make a simple example in order to learn how to delete a row from a parent table and automatically delete the matching rows in the child table using Doctrine2.
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How do I install an old version of Django on virtualenv?
This may sound like a stupid question, since the very purpose of virtualenv is to this exactly: Installing some specific version of a package (in this case Django) inside the virtual environment. But it's exactly what I want to do, and I can't figure it out.
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Write string to output stream
I have several output listeners that are implementing OutputStream.
It can be either a PrintStream writing to stdout or to a File, or it can be writing to memory or any other output destination; therefore, I specified OutputStream as (an) argument in the method.
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In Unix, can I run 'make' in a directory without cd'ing to that directory first?
In Unix, can I run make in a directory without cd 'ing to that directory first?
5 Answers
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Skip Git commit hooks
I'm looking at a git hook which looks for print statements in Python code. If a print statement is found, it prevents the git commit.
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Python non-greedy regexes
How do I make a python regex like "(.*)" such that, given "a (b) c (d) e" python matches "b" instead of "b) c (d" ?
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Using C++ library in C code
I have a C++ library that provides various classes for managing data. I have the source code for the library.
4 Answers
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Java 8 functional interface with no arguments and no return value
What is the Java 8 functional interface for a method that takes nothing and returns nothing?
3 Answers
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How to update the value stored in Dictionary in C#?
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Just point to the dictionary at given key and assign a new value:
myDictionary[myKey] = myNewValue;
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