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How can I have a newline in a string in sh?
...ho's problems were the reason why the Unix Standardization process finally invented the printf utility, doing away with all the problems.
So to get a newline in a string:
FOO="hello
world"
BAR=$(printf "hello\nworld\n") # Alternative; note: final newline is deleted
printf '<%s>\n' "$FOO"
pri...
How to pass the value of a variable to the stdin of a command?
...s continues until you type a line containing 'quit'. You can be endlessly inventive with how you handle it. Beware the old urban legend of a program that stopped working when the users began working with Ecuador. They'd type in the name of the capital, Quito, and the program exited.
...
Explode PHP string by new line
...ould ever use your snippet. The most direct / sensible technique for your invented string would be var_export(preg_split('~\R+~', $a, 0, PREG_SPLIT_NO_EMPTY)); Anything else is simply not clever. Demo
– mickmackusa
Sep 16 at 15:02
...
Enum “Inheritance”
...ns above using classes with int constants lack type-safety. I.e. you could invent new values actually not defined in the class.
Furthermore it is not possible for example to write a method taking one of these classes as input.
You would need to write
public void DoSomethingMeaningFull(int consumeV...
What is a 'thunk'?
...ynamic behavior when referencing an apparently static object. The term was invented by Brian Wichmann, who when asked to explain pass-by-name said "Well you go out to load the value from memory and then suddenly - thunk - there you are evaluating an expression."
Thunks have been put in hardware (cf...
$(document).click() not working correctly on iPhone. jquery [duplicate]
...ry with a data-href html attribute which is shown above (this attribute is invented by myself and is not a standard jQuery or HTML data attribute.)
$(document).on('click', '.clickable-div', function() {
document.location = $(this).data('href');
});
This will work on your desktop browser but...
JAVA线程池管理及分布式HADOOP调度框架搭建 - 人工智能(AI) - 清泛IT社区，...
平时的开发中线程是个少不了的东西，比如tomcat里的servlet就是线程，没有线程我们如何提供多用户访问呢？不过很多刚开始接触线程的开发攻城师却在这个上面吃了不少苦头。怎么做一套简便的线程开发模式框架让大家从单线...
Ignore whitespace in HTML [duplicate]
...
+1 for a style that I invented in the nineties. ;) I'm sure I wasn't the first one to do it (and I didn't use the slashes because there was no XHTML back then) but it was a routine way of writing HTML in days when I had a lot of images that had to...
BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
文章源自：https://www.gandalf.site/2018/11/ble_23.html
参考低功耗蓝牙（BLE）安全初探
0x1 信道BLE的物理通道即“频道，分别是‘f=2402+k*2 MHz, k=0, … ,39’，带宽为2MHz”的40个RF Channel。
其中，有3个信道是advertising channel（广播通道）...
技术和资本玩转创客圈 英特尔在中国的动作才刚刚开始 - 资讯 - 清泛网 - 专...
...用到了两处，一是与本地的政府、大学、科研机构、创客社区等合作建设了12家联合众创空间；二是线上创新中心，由“创客大爆炸”在线众创空间为主导(英特尔作为联合创建方)，整合硬享公社(英特尔的线上创客社区)、线上开...