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...脚本，用在很多需要性能的地方，比如：游戏脚本，nginm>x m>，wireshark的脚本，当你把他的源码下下来编译后，你会发现解释器居然不到200k，这是多么地变态啊（/bin/sh都要1M，MacOS平台），而且能和C语言非常好的互动。我很好奇得浏...
Mam>x m>imum size of an Array in Javascript
Contem>x m>t: I'm building a little site that reads an rss feed, and updates/checks the feed in the background. I have one array to store data to display, and another which stores ID's of records that have been shown.
...
How are virtual functions and vtable implemented?
... that is how most compilers implement virtual functions.
Does the vtable em>x m>ist for all objects, or only those that have at least one virtual function?
I believe the answer here is "it depends on the implementation" since the spec doesn't require vtables in the first place. However, in practice, I ...
How to import multiple .csv files at once?
...-your current working directory--and that all of them have the lower-case em>x m>tension .csv.
If you then want to combine those data frames into a single data frame, see the solutions in other answers using things like do.call(rbind,...), dplyr::bind_rows() or data.table::rbindlist().
If you really wa...
Python function as a function argument?
...ion be an argument
of another function?
Yes.
def myfunc(anotherfunc, em>x m>traArgs):
anotherfunc(*em>x m>traArgs)
To be more specific ... with various arguments ...
>>> def m>x m>(a,b):
... print "param 1 %s param 2 %s"%(a,b)
...
>>> def y(z,t):
... z(*t)
...
>>> y(m>x m>...
Is object empty? [duplicate]
...(hasOwnProperty.call(obj, key)) return false;
}
return true;
}
Em>x m>amples:
isEmpty(""), // true
isEmpty(33), // true (arguably could be a TypeError)
isEmpty([]), // true
isEmpty({}), // true
isEmpty({length: 0, custom_property: []}), // true
isEmpty("Hello"), // false
isEmpty([1,2,3]), //...
Can you supply arguments to the map(&:method) syntam>x m> in Ruby?
..., [12, 14, 16, 18, 20]]
Here is a conversation I had with @ArupRakshit em>x m>plaining it further:
Can you supply arguments to the map(&:method) syntam>x m> in Ruby?
As @amcaplan suggested in the comment below, you could create a shorter syntam>x m>, if you rename the with method to call. In this case, r...
“No such file or directory” error when em>x m>ecuting a binary
I was installing a binary Linum>x m> application on Ubuntu 9.10 m>x m>86_64. The app shipped with an old version of gzip (1.2.4), that was compiled for a much older kernel:
...
How to set transform origin in SVG
...
To rotate use transform="rotate(deg, cm>x m>, cy)", where deg is the degree you want to rotate and (cm>x m>, cy) define the centre of rotation.
For scaling/resizing, you have to translate by (-cm>x m>, -cy), then scale and then translate back to (cm>x m>, cy). You can do this with ...
How to list only the file names that changed between two commits?
...o include enough of the SHA to identify the commits. You can also do, for em>x m>ample
git diff --name-only HEAD~10 HEAD~5
to see the differences between the tenth latest commit and the fifth latest (or so).
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