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How do you echo a 4-digit Unicode character in Bash?
...For instance, in the Vim text-editor you would enter insert mode and press Ctrl + V + U and then the code-point number as a 4-digit hexadecimal number (pad with zeros if necessary). So you would type Ctrl + V + U 2 6 2 0. See: What is the easiest way to insert Unicode characters into a document?
At...
How to force Chrome's script debugger to reload javascript?
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I had no problems with Ctrl+Shift+R when reloading Javascript files, but this would not bring back updated content that was served in HTML files. Empty Cache and Hard Reload did the trick for that.
– S. Baggy
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How to use arguments from previous command?
...-dot) is the readline function yank-last-arg, M-C-y (meta-control-y or esc-ctrl-y or ctrl-alt-y) is the readline function yank-nth-arg. Without specifying n, it yanks the first argument of the previous command.
To specify an argument, press Escape and a number or hold Alt and press a number. You ca...
CoInitialize浅析一 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...程内部进行，因此也就不存在多线程同步的问题；而对于一些全局信息的修改则都进行了保护。
CoInitialize 浅析
What are the dark corners of Vim your mom never told you about? [closed]
...switch to insert mode.
ZZ -- save and close current file (WAY faster than Ctrl-F4 to close the current tab!)
ddp - move current line one row down
xp -- move current character one position to the right
U - uppercase, so viwU upercases the word
~ - switches case, so viw~ will reverse casing of en...
how to change namespace of entire project?
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I imagine a simple Replace in Files (Ctrl+Shift+H) will just about do the trick; simply replace namespace DemoApp with namespace MyApp. After that, build the solution and look for compile errors for unknown identifiers. Anything that fully qualified DemoApp will...
How to remove all breakpoints in one step in Google Chrome?
... following:
Open inspector-on-inspector : undock first inspector and hit ctrl+shift+i to open the second
On the inspector-on-inspector console, execute the following:
window.localStorage.breakpoints = [];
Close the inspectors and reload the page. Now the breakpoints are gone.
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Preventing console window from closing on Visual Studio C/C++ Console application
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If you run without debugging (Ctrl+F5) then by default it prompts your to press return to close the window. If you want to use the debugger, you should put a breakpoint on the last line.
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Capture keyboardinterrupt in Python without try-except
...mport threading
def signal_handler(signal, frame):
print('You pressed Ctrl+C!')
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
print('Press Ctrl+C')
forever = threading.Event()
forever.wait()
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如何让初始化全局变量为自己输入的数值 - App Inventor 2 中文网 - 清泛IT...
如何让初始化全局变量为自己输入的数值有几个注意点：
1、只让输入数字，用属性控制，用户无法输入数字之外的内容：
2、当输入内容发生变化，则将用户输入内容给全局变量：
3、除法一定要判断除数非零：
出现...