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Convert hex string to int in Python
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>>> print int("10", 0)
10
(You must specify 0 as the base in order to invoke this prefix-guessing behavior; omitting the second parameter means to assume base-10.)
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How to open the default webbrowser using java
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java.awt.Desktop is the class you're looking for.
import java.awt.Desktop;
import java.net.URI;
// ...
if (Desktop.isDesktopSupported() && Desktop.getDesktop().isSupported(Desktop.Action.BROWSE)) {
Desktop.getDesktop().browse(new URI("http://www.example.co...
Shell script to delete directories older than n days
I have directories named as:
5 Answers
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Different bash prompt for different vi editing mode?
...ice to have a prompt that depends on the mode you are currently in (insert or command). How does one find out this editing mode?
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VBA - how to conditionally skip a for loop iteration
I have a for loop over an array. What I want to do is test for a certain condition in the loop and skip to the next iteration if true:
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How to list all Git tags?
In my repository, I have created tags using the following commands.
10 Answers
10
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Insert a line at specific line number with sed or awk
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Yes, the -i switch is specific for GNU-sed.
– user unknown
Dec 21 '12 at 6:39
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【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
...相对复杂的部分，因此独立一章详细说明。
App Inventor自带地图组件，可以方便的实现电子围栏（地理围栏，Geofence）功能。
实现电子围栏需要的组件实现电子围栏需要用到地图Map容器，需要用到的组件有Map，类似画面，...
Loop through all the files with a specific extension
...lder and check if it matches a specific extension. The code above doesn't work, do you know why?
7 Answers
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How to debug a Flask app
How are you meant to debug errors in Flask? Print to the console? Flash messages to the page? Or is there a more powerful option available to figure out what's happening when something goes wrong?
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