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Converting Dictionary to List? [duplicate]
...u're adding to it each time, instead of just having two items in it.
To fix your code, try something like:
for key, value in dict.iteritems():
temp = [key,value]
dictlist.append(temp)
You don't need to copy the loop variables key and value into another variable before using them so I dro...
How to convert linq results to HashSet or HashedSet
...e's anything built in which does this... but it's really easy to write an extension method:
public static class Extensions
{
public static HashSet<T> ToHashSet<T>(
this IEnumerable<T> source,
IEqualityComparer<T> comparer = null)
{
return new ...
Failed to locate the winutils binary in the hadoop binary path
...e starting namenode for latest hadoop-2.2 release. I didn't find winutils exe file in hadoop bin folder. I tried below commands
...
How to use JavaScript variables in jQuery selectors?
...nts via button clicks. I would opt for using data-attributes instead. For example
<input id="bx" type="text">
<button type="button" data-target="#bx" data-method="hide">Hide some input</button>
Then, in your JavaScript
// using event delegation so no need to wrap it in .ready()...
How can I pad an integer with zeros on the left?
...g.format("%05d", yournumber);
for zero-padding with a length of 5. For hexadecimal output replace the d with an x as in "%05x".
The full formatting options are documented as part of java.util.Formatter.
share
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Create a “with” block on several context managers? [duplicate]
Suppose you have three objects you acquire via context manager, for instance A lock, a db connection and an ip socket.
You can acquire them by:
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How to join strings in Elixir?
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The alternative syntax using the pipeline operator: ["StringA", "StringB"] |> Enum.join " "
– Ryan Cromwell
Dec 31 '13 at 2:26
...
Finding ALL duplicate rows, including “elements with smaller subscripts”
...
duplicated has a fromLast argument. The "Example" section of ?duplicated shows you how to use it. Just call duplicated twice, once with fromLast=FALSE and once with fromLast=TRUE and take the rows where either are TRUE.
Some late Edit:
You didn't provide a repro...
Get the closest number out of an array
...ordered but ok for small lists. Even without a binary search a loop could exit if the next number is further way.
– Dominic
Dec 19 '19 at 5:21
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How do I determine whether my calculation of pi is accurate?
...quentially. I tried the Taylor series method, but it proved to converge extremely slowly (when I compared my result with the online values after some time). Anyway, I am trying better algorithms.
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