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Any good boolean expression simplifiers out there? [closed]
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You can try Wolfram Alpha as in this example based on your input:
http://www.wolframalpha.com/input/?i=((A%20OR%20B)%20AND%20(NOT%20B%20AND%20C)%20OR%20C)&t=crmtb01&f=rc
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一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
...;下载链接：
       http://www.viewtool.com/index.php/22-2016-07-29-02-11-32/205-hollong-4-0-4-1-ble
4. MTU 请求（REQEUST）
   完整数据（以下关注蓝色标注部分）
   
    1)  存取地址
    Access ...
Set environment variables from file of key/value pairs
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This might be helpful:
export $(cat .env | xargs) && rails c
Reason why I use this is if I want to test .env stuff in my rails console.
gabrielf came up with a good way to keep the variables local. This solves the potential problem when going from project to proje...
Fat models and skinny controllers sounds like creating God models [closed]
...rcing law and order on large scale applications.
For people who are using PHP as primary language, this post might be relevant. It's a bit longer description of the model layer with a few snippets of code.
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What is the worst real-world macros/pre-processor abuse you've ever come across?
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Isn't Pax's suggestion straight from K&R? Still, not worth the effort, I'd say.
– Jon Ericson
Mar 17 '09 at 2:30
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querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...Selector takes more time than getElementById, like here dimlucas.com/index.php/2016/09/17/… . What if we take access time into account? Does the live node obtained from getElementById take more time than the static one from querySelector?
– Eric
Nov 16 '17 at...
How can I share code between Node.js and the browser?
...ion(window){
var jQuery = 'blah';
if (typeof module === "object" && module && typeof module.exports === "object") {
// Expose jQuery as module.exports in loaders that implement the Node
// module pattern (including browserify). Do not create the global, sinc...
Reducing the space between sections of the UITableView
... viewForHeaderInSection:(NSInteger)section {
return [[UIView alloc] initWithFrame:CGRectZero];
}
- (UIView*)tableView:(UITableView*)tableView
viewForFooterInSection:(NSInteger)section {
return [[UIView alloc] initWithFrame:CGRectZero];
}
Change the values accordingly...
Auto-indent in Notepad++
...ll end up un-indenting. An example is a multi-line array initialization in PHP using array( ... ), where () are non-folding.
– Dan Lugg
Mar 21 '13 at 12:23
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Are there other whitespace codes like &nbsp for half-spaces, em-spaces, en-spaces etc useful in HTML
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Yes, many.
Including, but not limited to:
non breaking space :   or  
narrow no-break space :   (no character reference available)
en space :   or  
em space :   or  
3-per-em space :   or  
4-per-em sp...