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Delete column from pandas DataFrame
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cs95
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answered Nov 21 '12 at 3:12
Wes McKinneyW...
IntelliJ IDEA: Running a shell script as a Run/Debug Configuration
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Anton Dozortsev
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answered Mar 4 '13 at 15:54
Sundar AnnamalaiSundar...
What is “lifting” in Scala?
...gt;
scala> res1(-1)
res2: Option[Boolean] = None
scala> res1(1)
res3: Option[Boolean] = Some(false)
Methods
You can "lift" a method invocation into a function. This is called eta-expansion (thanks to Ben James for this). So for example:
scala> def times2(i: Int) = i * 2
times2: (i: In...
How does Duff's device work?
... // Set to 20
{
int n = (count + 7) / 8; // n is now 3. (The "while" is going
// to be run three times.)
switch (count % 8) { // The remainder is 4 (20 modulo 8) so
// jump to the ca...
.NET obfuscation tools/strategy [closed]
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How to sum up an array of integers in C#
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Provided that you can use .NET 3.5 (or newer) and LINQ, try
int sum = arr.Sum();
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How to check if an object is a list or tuple (but not string)?
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331
In python 2 only (not python 3):
assert not isinstance(lst, basestring)
Is actually what yo...
How to pass arguments and redirect stdin from a file to program run in gdb?
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136
Pass the arguments to the run command from within gdb.
$ gdb ./a.out
(gdb) r < t
Starting p...
Rails update_attributes without save?
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Arel
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answered Aug 2 '12 at 17:54
Ajedi32Ajedi32
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