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Why is Double.MIN_VALUE in not negative
Can anyone shed some light on why Double.MIN_VALUE is not actually the minimum value that Doubles can take? It is a positive value, and a Double can of course be negative.
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MySQL Insert into multiple tables? (Database normalization?)
... tried searching a way to insert information in multiple tables in the same query, but found out it's impossible?
So I want to insert it by simply using multiple queries i.e;
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Difference between /res and /assets directories
...ow, in general, when it's best to use one and the other.
Can anyone help me in knowing the real differences between res and assets?
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How to convert ActiveRecord results into an array of hashes
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as_json
You should use as_json method which converts ActiveRecord objects to Ruby Hashes despite its name
tasks_records = TaskStoreStatus.all
tasks_records = tasks_records.as_json
# You can now add new records and return the result as json by calling `to...
Is it possible for a unit test to assert that a method calls sys.exit()
I have a python 2.7 method that sometimes calls
4 Answers
4
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What is “overhead”?
...t in Computer Science and I am hearing the word "overhead" a lot when it comes to programs and sorts. What does this mean exactly?
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What does java.lang.Thread.interrupt() do?
...get thread MAY poll the interrupted status and handle it appropriately. Some methods that block such as Object.wait() may consume the interrupted status immediately and throw an appropriate exception (usually InterruptedException)
Interruption in Java is not pre-emptive. Put another way both thre...
How to convert timestamp to datetime in MySQL?
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Use the FROM_UNIXTIME() function in MySQL
Remember that if you are using a framework that stores it in milliseconds (for example Java's timestamp) you have to divide by 1000 to obtain the right Unix time in seconds.
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How much is too much with C++11 auto keyword?
...to when it is obvious to the reader what type auto represents.
Here are some examples:
auto foo = std::make_shared<Foo>(); // obvious
auto foo = bla(); // unclear. don't know which type `foo` has
const size_t max_size = 100;
for ( auto x = max_size; x > 0; --x ) // ...
How to change the href for a hyperlink using jQuery
...odify the href of all hyperlinks to point to Google. You probably want a somewhat more refined selector though. For instance, if you have a mix of link source (hyperlink) and link target (a.k.a. "anchor") anchor tags:
<a name="MyLinks"></a>
<a href="http://www.codeproject.com/">Th...