大约有 40,000 项符合查询结果（耗时：0.0565秒） [XML]
Android: how to make keyboard enter button say “Search” and handle its click?
...w v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_SEARCH) {
performSearch();
return true;
}
return false;
}
});
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How to rename a file using Python
...3.7 ubuntu, works for me using relative paths
– toing_toing
Feb 28 '19 at 15:51
2
@toing_toing of...
Get all directories within directory nodejs
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Here's a shorter, syncronous version of this answer that can list all directories (hidden or not) in the current directory:
const { lstatSync, readdirSync } = require('fs')
const { join } = require('path')
const isDirectory = source => lstatSync(source).isDirectory()
const getDirectori...
Android emulator and virtualbox cannot run at same time
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Thanks @MichaelHampton. I installed vagrant-libvert and it worked!
– jchook
Jan 13 '19 at 21:42
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Convert from List into IEnumerable format
How shall I do in order to convert _Book_List into IEnumerable format?
6 Answers
6...
MAMP Pro 3.05 on Mavericks updated to Yosemite - Apache does not start
...e the file “envvars” located in /Applications/MAMP/Library/bin into “_envvars”
Test Update: It works!
Works for Yosemite release too!
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Multiple aggregations of the same column using pandas GroupBy.agg()
... functions f1, f2 to the same column df["returns"] , without having to call agg() multiple times?
3 Answers
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Using awk to print all columns from the nth to the last
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will print all but very first column:
awk '{$1=""; print $0}' somefile
will print all but two first columns:
awk '{$1=$2=""; print $0}' somefile
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How to declare a global variable in JavaScript?
...s available only in browsers. Could you edit you answer to make it work in all environments? See How to get the global object in JavaScript?
– Michał Perłakowski
Nov 30 '16 at 15:50
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Floating point vs integer calculations on modern hardware
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From my experience, there are many, many variables to performance...especially between integer & floating point math. It varies strongly from processor to processor (even within the same family such as x86) because different processors have different "pipeline" lengths. Also, some operations ...