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How to request a random row in SQL?
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edited Aug 21 '13 at 16:39
answered Aug 21 '08 at 6:32
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Is there a C# type for representing an integer Range?
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136
I found it best to roll my own. Some people use Tuples or Points, but in the end you want your R...
Removing pip's cache?
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526
If using pip 6.0 or newer, try adding the --no-cache-dir option.
If using pip older than pip 6....
How do I interpolate strings?
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This has been added as of C# 6.0 (Visual Studio 2015+).
Example:
var planetName = "Bob";
var myName = "Ford";
var formattedStr = $"Hello planet {planetName}, my name is {myName}!";
// formattedStr should be "Hello planet Bob, my name is Ford!"
This ...
Is there a performance impact when calling ToList()?
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– Justinas Simanavicius
Dec 8 '17 at 16:02
It is important to note that you may often see ToList() as a misleadingly dem...
Ways to iterate over a list in Java
...ist with initial values
for (Integer i : Arrays.asList(0,1,2,3,4,5,6,7))
numbers.add(i);
printList(numbers); // 0,1,2,3,4,5,6,7
// replaces each element with twice its value
for (int index=0; index < numbers.size(); index++) {
numbe...
clear table jquery
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164
Use .remove()
$("#yourtableid tr").remove();
If you want to keep the data for future use eve...
What's the difference between [ and [[ in Bash? [duplicate]
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answered Aug 6 '10 at 21:29
John KugelmanJohn Kugelman
292k6262 gold badges455455 silver badges506506 bronze badges
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How to convert index of a pandas dataframe into a column?
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>>> df
val
tick tag obs
2016-02-26 C 2 0.0139
2016-02-27 A 2 0.5577
2016-02-28 C 6 0.0303
and you want to convert the 1st (tick) and 3rd (obs) levels in the index into columns, you would do:
>>> df.reset_index(level=['tick', ...
Path.Combine absolute with relative path strings
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63
What Works:
string relativePath = "..\\bling.txt";
string baseDirectory = "C:\\blah\\";
string...