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Why does casting int to invalid enu<em>mem> value NOT throw exception?
If I have an enu<em>mem> like so:
4 Answers
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How do you write a <em>mem>igration to rena<em>mem>e an ActiveRecord <em>mem>odel and its table in Rails?
I'<em>mem> terrible at na<em>mem>ing and realize that there are a better set of na<em>mem>es for <em>mem>y <em>mem>odels in <em>mem>y Rails app. Is there any way to use a <em>mem>igration to rena<em>mem>e a <em>mem>odel and its corresponding table?
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How to drop colu<em>mem>ns by na<em>mem>e in a data fra<em>mem>e
I have a large data set and I would like to read specific colu<em>mem>ns or drop all the others.
11 Answers
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Are class na<em>mem>es in CSS selectors case sensitive?
...e generally case-insensitive; this includes class and ID selectors.
But HT<em>Mem>L class na<em>mem>es are case-sensitive (see the attribute definition), and that's causing a <em>mem>is<em>mem>atch in your second exa<em>mem>ple. This has not changed in HT<em>Mem>L5.1
This is because the case-sensitivity of selectors is dependent on what t...
Elegant way to invert a <em>mem>ap in Scala
Learning Scala currently and needed to invert a <em>Mem>ap to do so<em>mem>e inverted value->key lookups. I was looking for a si<em>mem>ple way to do this, but ca<em>mem>e up with only:
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When to add what indexes in a table in Rails
... would be better, because it accelerates the search in sorting in this colu<em>mem>n. And Foreign keys are so<em>mem>ething searched for a lot.
Since Version 5 of rails the index will be created auto<em>mem>atically, for <em>mem>ore infor<em>mem>ation see here.
Should I add "index" to the auto<em>mem>atically created "id" colu<em>mem>n?
No,...
Why can't yield return appear inside a try block with a catch?
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I suspect this is a <em>mem>atter of practicality rather than feasibility. I suspect there are very, very few ti<em>mem>es where this restriction is actually an issue that can't be worked around - but the added co<em>mem>plexity in the co<em>mem>piler would be very signifi...
Difference between CC, gcc and g++?
What are the difference between the 3 co<em>mem>pilers CC, gcc, g++ when co<em>mem>piling
C and C++ code in ter<em>mem>s of asse<em>mem>bly
code generation, available libraries, language features, etc.?
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Why is it slower to iterate over a s<em>mem>all string than a s<em>mem>all list?
I was playing around with ti<em>mem>eit and noticed that doing a si<em>mem>ple list co<em>mem>prehension over a s<em>mem>all string took longer than doing the sa<em>mem>e operation on a list of s<em>mem>all single character strings. Any explanation? It's al<em>mem>ost 1.35 ti<em>mem>es as <em>mem>uch ti<em>mem>e.
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Is there any way to put <em>mem>alicious code into a regular expression?
I want to add regular expression search capability to <em>mem>y public web page. Other than HT<em>Mem>L encoding the output, do I need to do anything to guard against <em>mem>alicious user input?
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