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Confused by python file mode “w+”
...you'd do something like this to read from your file:
with open('somefile.txt', 'w+') as f:
# Note that f has now been truncated to 0 bytes, so you'll only
# be able to read data that you write after this point
f.write('somedata\n')
f.seek(0) # Important: return to the top of the fi...
Is there a command like “watch” or “inotifywait” on the Mac?
I want to watch a folder on my Mac (Snow Leopard) and then execute a script (giving it the filename of what was just moved into a folder (as a parameter... x.sh "filename")).
...
Uninstall Node.JS using Linux command line?
How do you uninstall node.js using the cmd line in linux?
14 Answers
14
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How to replace list item in best way
...
Use Lambda to find the index in the List and use this index to replace the list item.
List<string> listOfStrings = new List<string> {"abc", "123", "ghi"};
listOfStrings[listOfStrings.FindIndex(ind=>ind.Equals("123"))] = "def";
...
IE8 issue with Twitter Bootstrap 3
...Twitter Bootstrap. The site looks fine and works in all required browsers except IE8.
22 Answers
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Android Webview - Completely Clear the Cache
... }
}
}
}
catch(Exception e) {
Log.e(TAG, String.format("Failed to clean the cache, error %s", e.getMessage()));
}
}
return deletedFiles;
}
/*
* Delete the files older than numDays days from the application cache...
通信连接组件 · App Inventor 2 中文网
...性设置为：
Action: android.intent.action.WEB_SEARCH
ExtraKey: query
ExtraValue: vampire
ActivityPackage: com.google.android.providers.enhancedgooglesearch
ActivityClass: com.google.android.providers.enhancedgooglesearch.Launcher
打开浏览器到指...
Find and replace Android studio
... the shortcut that you're looking for is:
Ctrl+Shift+R on Windows and Linux/Ubuntu
Cmd+Shift+R on Mac OS X
ref: source
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Randomize a List
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Shuffle any (I)List with an extension method based on the Fisher-Yates shuffle:
private static Random rng = new Random();
public static void Shuffle<T>(this IList<T> list)
{
int n = list.Count;
while (n > 1) {
n...
How do I use regex in a SQLite query?
I'd like to use a regular expression in sqlite, but I don't know how.
17 Answers
17
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