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Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
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3 Answers
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Get exception description and stack trace which caused an exception, all as a string
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653
See the traceback module, specifically the format_exc() function. Here.
import traceback
try:
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How do I wrap link_to around some html ruby code?
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edited Apr 20 '15 at 9:43
Arslan Ali
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MySQL: Set user variable from result of query
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337
Yes, but you need to move the variable assignment into the query:
SET @user := 123456;
SELECT...
Appropriate datatype for holding percent values?
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133
Assuming two decimal places on your percentages, the data type you use depends on how you plan ...
What is scope/named_scope in rails?
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213
A scope is a subset of a collection. Sounds complicated? It isn't. Imagine this:
You have Users...
In C/C++ what's the simplest way to reverse the order of bits in a byte?
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35 Answers
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How do I test an AngularJS service with Jasmine?
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137
The problem is that the factory method, that instantiate the service, is not called in the exam...
Sorting data based on second column of a file
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346
You can use the sort command:
sort -k2 -n yourfile
-n, --numeric-sort compare according to s...