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Using a strategy pattern and a command pattern
...sign patterns encapsulate an algorithm and decouple implementation details from their calling classes. The only difference I can discern is that the Strategy pattern takes in parameters for execution, while the Command pattern doesn't.
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Rspec: “array.should == another_array” but without concern for order
...ke the order in account, so this is not an acceptable answer, is it? Quote from the docs: Passes if actual contains all of the expected regardless of order..
– Joshua Muheim
Jan 22 '13 at 15:44
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Converting from IEnumerable to List [duplicate]
I want to convert from IEnumerable<Contact> to List<Contact> . How can I do this?
5 Answers
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What's the most elegant way to cap a number to a segment? [closed]
... ternary is twice as fast as Math.min/max - and if you remove the overhead from the far more expensive Math.random() call, this simple approach is 10 x faster.
– mindplay.dk
Oct 5 '17 at 8:48
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Safe integer parsing in Ruby
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That's what I'd expect from the conversion though
– wvdschel
Aug 8 '09 at 22:21
5
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How many threads is too many?
...ou state, the vast majority of your threads will be waiting for a response from the database so they won't be running. There are two factors that affect how many threads you should allow for.
The first is the number of DB connections available. This may be a hard limit unless you can increase it at...
How to strip leading “./” in unix “find”?
...ectory, and print them without "./" prefix:
find -type f -printf '%P\n'
From man find, description of -printf format:
%P File's name with the name of the command line argument under which it was found removed.
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Why does GitHub recommend HTTPS over SSH?
...erate/copy/paste ssh key business. Also it could be viewed as more secure from Github's perspective since an attacker who got your ssh password (or found a computer terminal you left open) would still have to know your Github password to push anything.
– k107
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What's the best practice to round a float to 2 decimals? [duplicate]
...just for displaying to the user) you just have to change the function type from float to BigDecimal, like this:
public static BigDecimal round(float d, int decimalPlace) {
BigDecimal bd = new BigDecimal(Float.toString(d));
bd = bd.setScale(decimalPlace, BigDecimal.ROUND_HALF_UP);
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How to check if the string is empty?
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From PEP 8, in the “Programming Recommendations” section:
For sequences, (strings, lists, tuples), use the fact that empty sequences are false.
So you should use:
if not some_string:
or:
if some_string:
Just t...