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How can building a heap be O(n) time complexity?
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490
I think there are several questions buried in this topic:
How do you implement buildHeap so it ...
What does it mean to hydrate an object?
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20
It is not a synonym for deserialization either. Deserialization involves creating the object with the data it had at the time it was serial...
Calculate difference between two datetimes in MySQL
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302
USE TIMESTAMPDIFF MySQL function. For example, you can use:
SELECT TIMESTAMPDIFF(SECOND, '2012...
How to calculate a Mod b in Casio fx-991ES calculator
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10 Answers
10
Active
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EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
...(var failure in ex.EntityValidationErrors) {
sb.AppendFormat("{0} failed validation\n", failure.Entry.Entity.GetType());
foreach (var error in failure.ValidationErrors) {
sb.AppendFormat("- {0} : {1}", error.PropertyName, error.ErrorMessage);
s...
Split a python list into other “sublists” i.e smaller lists [duplicate]
I have a python list which runs into 1000's. Something like:
3 Answers
3
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When is the thread pool used?
...the thread pool is required and created: process.env.UV_THREADPOOL_SIZE = 10;
If you want traditional multi-processing or multi-threading in node, you can get it through the built in cluster module or various other modules such as the aforementioned webworker-threads, or you can fake it by imple...
Convert python datetime to epoch with strftime
... since epoch you could do it explicitly:
>>> (datetime.datetime(2012,04,01,0,0) - datetime.datetime(1970,1,1)).total_seconds()
1333238400.0
In Python 3.3+ you can use timestamp() instead:
>>> datetime.datetime(2012,4,1,0,0).timestamp()
1333234800.0
Why you should not use da...
Regex for splitting a string using space when not surrounded by single or double quotes
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+200
I don't understand why all the others are proposing such complex regular expressions or such long code. Essentially, you want to gra...
JSTL in JSF2 Facelets… makes sense?
...y represented like this:
<h:outputText id="item_1" value="#{bean.items[0].value}" />
<h:outputText id="item_2" value="#{bean.items[1].value}" />
<h:outputText id="item_3" value="#{bean.items[2].value}" />
...which in turn individually generate their HTML output during view rende...