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What is the best way to repeatedly execute a function every x seconds?
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If your program doesn't have a event loop already, use the sched module, which implements a general purpose event scheduler.
import sched, time
s = sched.scheduler(time.time, time.sleep)
def do_something(sc):
print("Doi...
Converting camel case to underscore case in ruby
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If you change tr("-","_") to tr("- ","_") (space added to first param), this will also turn spaces into underscores. Also, I don't think you even need to include self., or at least it works for me under Ruby 1.9.3.
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Why is “copy and paste” of code dangerous? [closed]
...nge you ever need to make in the code (not just bugfixes, any change) will now be twice as expensive to do because you have to update two places - and more risky because you WILL forget one of them eventually. In other words, making it work faster now will make your work even slower in the future, w...
How do you loop through currently loaded assemblies?
...t a "diagnostics" page in my ASP.NET application which does things like verify the database connection(s), display the current appSettings and ConnectionStrings, etc. A section of this page displays the Assembly versions of important types used throughout, but I could not figure out how to effectiv...
How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
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If I understand the question correctly, you want to update a document with the contents of another document, but only the fields that are not already present, and completely ignore the fields that are already set (even if to ...
Is there a wikipedia API just for retrieve content summary?
... How can I get information from this JSON response if I don't know pages number. I can't access JSON array containing "extract"
– Laurynas G
Mar 10 '16 at 22:35
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Why doesn't String switch statement support a null case?
...icitly by putting the string constant first as in "123test".equals(value). Now we are forced to write our switch statement as in if (value != null) switch (value) {...
– YoYo
Feb 4 '16 at 23:06
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How do you get the logical xor of two variables in Python?
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If you're already normalizing the inputs to booleans, then != is xor.
bool(a) != bool(b)
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micro:bit 实验02 - 按 A/B 键让屏幕上的小球跑起来 · App Inventor 2 中文网
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when Microbit_Button1.ButtonAStateReceived(Button_State_Value) {
if Button_State_Value > 0 {
图像精灵_小球.X = 图像精灵_小球.X - 20
标签_状态.Text = "A 键按下"
}
}
中途验证：按住 micro:bit 的 A 键，小球往左跳一格，状态标签变成「A 键...
How to check if an object is a generator object in python?
In python, how do I check if an object is a generator object?
9 Answers
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