大约有 45,000 项符合查询结果（耗时：0.0352秒） [XML]
Using grep to search for a string that has a dot in it
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grep uses regexes; . means "any character" in a regex. If you want a literal string, use grep -F, fgrep, or escape the . to \..
Don't forget to wrap your string in double quotes. Or else you should use \\.
So, your command would need to be:
grep -r "0\.49" *
or
grep -r 0\\...
Repeating characters in VIM insert mode
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Slightly different version of Eelvex's solution:
function! Repeat()
let times = input("Count: ")
let char = input("Char: ")
exe ":normal a" . repeat(char, times)
endfunction
imap <C-u> <C-o>:call Repeat()<...
Shuffle two list at once with same order
...cond argument of the shuffle function to fix the order of shuffling.
Specifically, you can pass the second argument of shuffle function a zero argument function which returns a value in [0, 1). The return value of this function fixes the order of shuffling. (By default i.e. if you do not pass any ...
App Inventor 2 BLE扩展源码分析 - WriteBytes vs WriteStrings 23字节硬编...
...写入路径
位于 BLEWriteOperation.write() 方法第678-690行：
if (mClass == String.class) {
byte[] str = ((String) data.get(0)).getBytes();
// 23字节硬限制！
final int len = Math.min(23, str.length + (nullTerminateStrings ? 1 : 0));
&n...
How to declare constant map
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@alediaferia you get that error if using := outside of a function.
– Jeffrey Martinez
Jun 12 '16 at 22:02
1
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How to see indexes for a database or table in MySQL?
How do I see if my database has any indexes on it?
9 Answers
9
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编程基础与事件状态 05：用过程集中刷新界面 · App Inventor 2 中文网
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
Camera 扩展：相机拍照和录像，程序控制拍照、自动拍照实现，而无需点击系...
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
搜索需求覆盖检查：已有成品、教程入口与下一批选题 · App Inventor 2 中文网
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
Why does calling a function in the Node.js REPL with )( work?
...changed for 0.11.x, which will just wrap { ... } rather than all input:
if (/^\s*\{/.test(evalCmd) && /\}\s*$/.test(evalCmd)) {
// It's confusing for `{ a : 1 }` to be interpreted as a block
// statement rather than an object literal. So, we first try
// to wrap it in parenth...