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SQLite add Primary Key
...ng the CREATE TABLE AS syntax to create a table based on a SELECT statement. Now this table has no primary key but I would like to add one.
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Difference between C++03 throw() specifier C++11 noexcept
...fference between throw() and noexcept other than being checked at runtime and compile time, respectively?
3 Answers
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Default string initialization: NULL or Empty? [closed]
I have always initialized my strings to NULL, with the thinking that NULL means the absence of a value and "" or String.Empty is a valid value. I have seen more examples lately of code where String.Empty is considered the default value or represents no value. This strikes me as odd, with the newly...
Count the occurrences of DISTINCT values
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SELECT name,COUNT(*) as count
FROM tablename
GROUP BY name
ORDER BY count DESC;
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Assign variable in if condition statement, good practice or not? [closed]
...es such like Java to JavaScript. The following code is definitely not recommended (or even not correct) in Java:
11 Answers...
What is `git diff --patience` for?
...r control. Under those circumstances a diff algorithm can occasionally
become 'misaligned' in that it matches long sections of curly brackets
together, but it winds up correlating the curly brackets of functions in
one version with the curly brackets of the next later function in the
other version. ...
Hudson or Teamcity for continuous integration? [closed]
...y is by far and away the best CI server out there. Its killer feature for me is the tight integration with IDEs (IntelliJ, Eclipse and VisualStudio). It can show you, for example, when a file you're editing in the IDE becomes out of date, who changed it and what they changed. You can commit from ...
Toggle input disabled attribute using jQuery
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$('#el').prop('disabled', function(i, v) { return !v; });
The .prop() method accepts two arguments:
Property name (disabled, checked, selected) anything that is either true or false
Property value, can be:
(empty) - returns the current value.
boolean (true/false) - sets the property value.
f...
how to customize `show processlist` in mysql?
I want to order by Time,but seems no way to do that ?
6 Answers
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