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multiple prints on the same line in Python
I want to run a script, which basically shows an output like this:
17 Answers
17
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Print number of keys in Redis
... key. Also Redis may actively evict some expired keys, but not necessarily all of them.
– seppo0010
Aug 24 '15 at 22:23
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How I can I lazily read multiple JSON values from a file/stream in Python?
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JSON generally isn't very good for this sort of incremental use; there's no standard way to serialise multiple objects so that they can easily be loaded one at a time, without parsing the whole lot.
The object per line solution that y...
Activate a virtualenv via fabric as deploy user
I want to run my fabric script locally, which will in turn, log into my server, switch user to deploy, activate the projects .virtualenv, which will change dir to the project and issue a git pull.
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Is the practice of returning a C++ reference variable evil?
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In general, returning a reference is perfectly normal and happens all the time.
If you mean:
int& getInt() {
int i;
return i; // DON'T DO THIS.
}
That is all sorts of evil. The stack-allocated i will go away and you are referring to nothing. This is also evil:
int& get...
Get unique values from a list in python [duplicate]
I want to get the unique values from the following list:
30 Answers
30
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How do I select a random value from an enumeration?
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Use Enum.GetValues to retrieve an array of all values. Then select a random array item.
static Random _R = new Random ();
static T RandomEnumValue<T> ()
{
var v = Enum.GetValues (typeof (T));
return (T) v.GetValue (_R.Next(v.Length));
}
Test:
for (in...
Why is semicolon allowed in this python snippet?
...ot warrant the use of semicolons to end statements.
So why is this (below) allowed?
15 Answers
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Regular Expression: Any character that is NOT a letter or number
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@sbmaxx I want to replace all except &, (, ) these characters. how could i add this condition in the current regex.
– K Pal
Feb 21 '19 at 11:24
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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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output {
file {
path => "/data/log/logstash/all.log" # 指定写入文件路径
message_format => "%{host} %{message}" # 指定写入格式
flush_interval => 0 # 指定刷新间隔，0代表实时写入
}
}
如...