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Deleting multiple elements from a list
...somelist[0] , followed by del somelist[2] , the second statement will actually delete somelist[3] .
30 Answers
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How to pattern match using regular expression in Scala?
...ter match {
case Pattern(c) => c bound to capture group here
case _ =>
}
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Efficient evaluation of a function at every cell of a NumPy array
...t be faster than the "manual" double loop iteration and assignment through all the array elements. Especially, because it stores the result to a newly created variable (and not directly to the initial input). Thanks a lot for your reply though:)
– Peter
Oct 9 '...
Python Graph Library [closed]
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I just evaluated both. networkx is installable via pip, whereas igraph is not. This makes igraph harder to use as dependencies in your setup.py files.
– exhuma
Aug 10 '12 at 7:46
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Assignment in an if statement
... = value as T;
if (t != null)
{
action(t);
}
}
Then call it with:
animal.AsIf<Dog>(dog => {
// Use dog in here
});
Alternatively, you could combine the two:
public static void AsIf<T>(this object value, Action<T> action) where T : class
{
// EVI...
Displaying the build date
...ing(0,16);}} > "$(ProjectDir)\BuildTimestamp.cs" - - - --> then can call it with Build.Timestamp
– FabianSilva
Jun 2 '14 at 16:10
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Linux command or script counting duplicated lines in a text file?
...3
}
or you can use a simple one-liner:
$ cat filename | python3 -c 'print(__import__("json").dumps(__import__("collections").Counter(map(str.strip, __import__("fileinput").input())), indent=2))'
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将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...（Header File）的包含问题。在Config.h中定义了很多类似HAVE_XXXX_H。比如定义HAVE_CONFIG_H为1表示工程中可以使用config.h。
#define HAVE_MALLOC_H 1表示可以在工程中使用Malloc.h头文件。通过调整这些定义值，可以去除一些Windows平台下面没有...
How to delete all the rows in a table using Eloquent?
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The reason MyModel::all()->delete() doesn't work is because all() actually fires off the query and returns a collection of Eloquent objects.
You can make use of the truncate method, this works for Laravel 4 and 5:
MyModel::truncate();
Th...
Find unique rows in numpy.array
...e((np.void, a.dtype.itemsize * a.shape[1]))) ?
– Akavall
Jun 7 '13 at 0:28
3
@Akavall It is creat...