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How do I find the caller of a method using stacktrace or reflection?
...han the stack trace method.
The following program tests the speed of the different suggested methods (the most interesting bit is in the inner class SecurityManagerMethod):
/**
* Test the speed of various methods for getting the caller class name
*/
public class TestGetCallerClassName {
/**
...
Convert a string to regular expression ruby
...the work.
"/[\w\s]+/".to_regexp => /[\w\s]+/
You also can use the modifier:
'/foo/i'.to_regexp => /foo/i
Finally, you can be more lazy using :detect
'foo'.to_regexp(detect: true) #=> /foo/
'foo\b'.to_regexp(detect: true) #=> %r{foo\\b}
'/foo\b/'.to_regexp(detect: true) #...
How do I interpolate strings?
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This feature is such a beautiful thing. Especially with VS2015 and the editor support so you can clearly see the interpolated strings and get intellisense. It even works with methods! $("This feature is {GetDescription(FEATURE_AMAZING))}");
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Find and replace Android studio
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I think 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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cannot load such file — zlib even after using rvm pkg install zlib
...e trying to do something routine.
The solution is to use rvm. Use it even if you only need one version of ruby. Why? Because then you can do
rvm requirements
This will probe your particular OS and produce a set of commands you can copy back to the command line to install those missing packages.
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NumberPicker 扩展：滑动选择数字，自定义样式 · 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(...
What does an underscore in front of an import statement mean?
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It's for importing a package solely for its side-effects.
From the Go Specification:
To import a package solely for its side-effects (initialization), use the blank identifier as explicit package name:
import _ "lib/math"
In sqlite3
In the case of go-sqlite3, the underscore import is used for the...
Arduino101 RGB LCD · 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(...
App Inventor 2 中文网VIP专享内容 · 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(...
How to remove space between axis & area-plot in ggplot2?
...ale() function that you can pass to the expand= argument that lets you specify different expand values for each side of the scale.
As of ggplot2 version 3.3.0, expand_scale() has been deprecated in favor of expansion which otherwise functions identically.
It also lets you choose whether you want to ...