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How to count the number of occurrences of an element in a List
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341
I'm pretty sure the static frequency-method in Collections would come in handy here:
int occu...
How do I get bit-by-bit data from an integer value in C?
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Ashish Ahuja
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answered Feb 12 '10 at 4:54
forefingerforefinger
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Multidimensional Array [][] vs [,] [duplicate]
...uble[5][];
x[0] = new double[10];
x[1] = new double[5];
x[2] = new double[3];
x[3] = new double[100];
x[4] = new double[1];
Because each entry in the array is a reference to an array of double. With a jagged array, you can do an assignment to an array like you want in your second example:
x[0] =...
How should one use std::optional?
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answered May 31 '13 at 15:39
Timothy ShieldsTimothy Shields
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What does the Reflect object do in JavaScript?
... the Reflect object is the standard built-in Object prototype object (19.1.3).
The Reflect object is not a function object. It does not have a [[Construct]] internal method; it is not possible to use the Reflect object as a constructor with the new operator. The Reflect object also does not have a ...
How to access parameters in a RESTful POST method
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357
Your @POST method should be accepting a JSON object instead of a string. Jersey uses JAXB to ...
What are all the user accounts for IIS/ASP.NET and how do they differ?
...he NETWORK SERVICE account is a built-in identity introduced on Windows 2003. NETWORK SERVICE is a low privileged account under which you can run your application pools and websites. A website running in a Windows 2003 pool can still impersonate the site's anonymous account (IUSR_ or whatever you co...
Xcode 4 hangs at “Attaching to (app name)”
...on't run in the simulator or iOS device. It was working perfectly in Xcode 3, but all of a sudden now when I press run the program stops at "Attaching to...". There doesn't seem to be any other info to help with this problem either.
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Naming returned columns in Pandas aggregate function? [duplicate]
...data('Loblolly')
print(data.head())
# height age Seed
# 1 4.51 3 301
# 15 10.89 5 301
# 29 28.72 10 301
# 43 41.74 15 301
# 57 52.70 20 301
df = data.groupby('Seed').agg(
{'age':['sum'],
'height':['mean', 'std']})
print(df.head())
# age height ...
How to concatenate items in a list to a single string?
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answered Sep 17 '12 at 5:33
Burhan KhalidBurhan Khalid
144k1717 gold badges200200 silver badges247247 bronze badges
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