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How to set a Timer in Java?
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[Android] if someone looking to implement timer on android using java.
you need use UI thread like this to perform operations.
Timer timer = new Timer();
timer.schedule(new TimerTask() {
@Override
...
postgresql port confusion 5433 or 5432?
... in:
sudo vi /<path to your installation>/data/postgresql.conf
On Ubuntu this might be:
sudo vi /<path to your installation>/main/postgresql.conf
Search for port in this file.
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How to show all shared libraries used by executables in Linux?
...ith dlopen, tested with this minimal setup hacked up with a sleep(1000) on Ubuntu 18.04.
See also: https://superuser.com/questions/310199/see-currently-loaded-shared-objects-in-linux/1243089
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lua和c/c++互相调用实例分析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...用lua实现，配合c/c++实现的底层接口服务，能够大大降低系统的维护成本。下面对lua和c/c++的交互调用做一个实例分析：
lua提供了API用于在c/c++中构造lua的运行环境，相关接口如下：
//创建lua运行上下文
lua_State* luaL_newstate(void) ...
Should I use pt or px?
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So, can I use px in css like pt on iOS and dp on Android?
– GRiMe2D
Apr 16 '16 at 9:47
4
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Showing a different background colour in Vim past 80 characters
...9),",")
Example
Here's a screenshot of GVim editing my .vimrc.
I use Ubuntu Mono 11 font and the molokai color scheme. You can find my vim config and all of my dotfiles on GitHub.
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impr...
Redefine tab as 4 spaces
... If you do not have ~/.vimrc, try with /etc/vim/vimrc. In my case on Ubuntu 16.04 the config file is there. But keep in mind that changing this file will cause the configuration to be used globaly.
– Todor Todorov
Oct 11 '16 at 7:43
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Configuring Git over SSH to login once
...in a file, and source that file in every shell when it starts.
My OSX and Ubuntu systems automatically do the agent launch setup, so all I have to do is run ssh-add once. Try running ssh-add and see if it works, if so, then you just need to do that once per reboot.
My Cygwin system needed it don...
How to use custom packages
...ent.name = 'Hugo'
// do your things here
}
( I am running Go 1.9 on Ubuntu 16.04 )
And remember guys, I am newbie on Go. If what I am doing is bad practice, let me know !
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Search and replace in Vim across all the project files
...ier to programmers than the traditional command line tools. Install it on Ubuntu with sudo apt-get install ack-grep.
xargs
Xargs is an old unix command line tool. It reads items from standard input and executes the command specified followed by the items read for standard input. So basically ...