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How to capture stdout output from a Python function call?
I'm using a Python library that does something to an object
3 Answers
3
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JavaScript curry: what are the practical applications?
I don’t think I’ve grokked currying yet. I understand what it does, and how to do it. I just can’t think of a situation I would use it.
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Quick way to create a list of values in C#?
... and the collection initializer for lists.
Alternatively, if you can make do with an array, this is even shorter (by a small amount):
var arr = new [] { "foo", "bar" };
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Can someone explain the “debounce” function in Javascript
...nMouseMove, 50);
// Call the debounced function on every mouse move
window.addEventListener('mousemove', debouncedMouseMove);
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Why an abstract class implementing an interface can miss the declaration/implementation of one of th
...ract declaration or an actual implementation is present), but the compiler does not complain.
7 Answers
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Insert line after first match using sed
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Try doing this using GNU sed:
sed '/CLIENTSCRIPT="foo"/a CLIENTSCRIPT2="hello"' file
if you want to substitute in-place, use
sed -i '/CLIENTSCRIPT="foo"/a CLIENTSCRIPT2="hello"' file
Output
CLIENTSCRIPT="foo"
CLIENTSCRIPT2...
Rails has_and_belongs_to_many migration
...ils g migration CreateJoinTableRestaurantUser restaurants users
From the docs:
There is also a generator which will produce join tables if JoinTable
is part of the name:
Your migration file (note the :id => false; it's what prevents the creation of a primary key):
Rails 3
class Crea...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...er_accept，tcp_nodelay，设置一些负载保护参数，比如EASY_CONN_DOING_REQ_CNT，表示每个连接同时正在处理的请求数不能
超过EASY_CONN_DOING_REQ_CNT
3. 初始化每个io线程：
3.1 初始化其各个链表节点成员，比如conn_list(已建立连接但是读写...
while (1) Vs. for (;;) Is there a speed difference?
...leaveloop vK/2 ->a
3 <{> enterloop(next->8 last->9 redo->4) v ->4
- <@> lineseq vK ->9
4 <;> nextstate(main 1 -e:1) v ->5
7 <@> print vK ->8
5 <0> pushmark s ->6
6 <$> const[PV ...
How to store a dataframe using Pandas
...ution for keeping that dataframe constantly available in between runs so I don't have to spend all that time waiting for the script to run?
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