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Assigning a variable NaN in python without numpy
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170
Yes -- use math.nan.
>>> from math import nan
>>> print(nan)
nan
>>&g...
Specifying colClasses in the read.csv
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answered May 10 '10 at 18:36
George DontasGeorge Dontas
26.7k1717 gold badges100100 silver badges138138 bronze badges
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What does [ N … M ] mean in C aggregate initializers?
From sys.c line 123:
1 Answer
1
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Build vs new in Rails 3
...enrym:~/testapp$ rails c
Loading development environment (Rails 3.0.4)
r:001 > (some_firm = Firm.new).save # Create and save a new Firm
#=> true
r:002 > some_firm.clients # No clients yet
#=> []
r:003 > some_firm.clients.new # Create a new client
#=> #<Client i...
MySQL: how to get the difference between two timestamps in seconds
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177
You could use the TIMEDIFF() and the TIME_TO_SEC() functions as follows:
SELECT TIME_TO_SEC(T...
Show AlertDialog in any position of the screen
...g, int item) {
if(item == 0) {
} else if(item == 1) {
} else if(item == 2) {
}
}
});
AlertDialog dialog = builder.create();
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
WindowManager.LayoutParams wmlp = dialog.g...
How do I specify a single test in a file with nosetests?
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148
You must specify it like so: nosetests <file>:<Test_Case>.<test_method>, or
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How does the Java 'for each' loop work?
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1193
for (Iterator<String> i = someIterable.iterator(); i.hasNext();) {
String item = i....
How to remove specific element from an array using python
...still don't need to iterate over. Just do:
index = initial_list.index(item1)
del initial_list[index]
del other_list[index]
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Displaying the build date
...st build - they tend to refer to it as "last Thursday's" rather than build 1.0.8.4321.
25 Answers
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