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Repeat each row of data.frame the number of times specified in a column
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answered May 24 '10 at 5:01
neilfwsneilfws
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How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
I have install Mountain Lion (Mac OS X 10.8) and now gcc doesn't seem to be available anymore. I've also installed Xcode 4.4 so there is no more /Developer directory.
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.gitignore exclude folder but include specific subfolder
...how to do this.
– seh
May 13 '11 at 0:32
8
I couldn't quite get this to work (crazy .gitignore fi...
From an array of objects, extract value of a property as array
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edited Apr 19 at 13:50
Arsen Khachaturyan
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a...
Where is array's length property defined?
...t find it in any .class file), they're a part of the language itself.
10.7. Array Members
The members of an array type are all of the following:
The public final field length, which contains the number of components of the array. length may be positive or zero.
The public method c...
Setting Django up to use MySQL
...alhost', # Or an IP Address that your DB is hosted on
'PORT': '3306',
}
}
You also have the option of utilizing MySQL option files, as of Django 1.7. You can accomplish this by setting your DATABASES array like so:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends...
How do I read CSV data into a record array in NumPy?
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edited Mar 2 '12 at 15:05
Mike Graham
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ans...
Why use pointers? [closed]
..."Second char is: %c", a[1]);
Index 1 since the array starts with element 0. :-)
Or you could equally do this
printf("Second char is: %c", *(a+1));
The pointer operator (the *) is needed since we are telling printf that we want to print a character. Without the *, the character representation o...
Private and Protected Members : C++
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edited Aug 30 '17 at 15:46
jdhao
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How can I convert a datetime object to milliseconds since epoch (unix time) in Python?
... that I want to convert to unix time, or seconds/milliseconds since the 1970 epoch.
13 Answers
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