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Why does Clojure have “keywords” in addition to “symbols”?
...ure documentation for Keywords and Symbols.
Keywords are symbolic identifiers that evaluate to themselves. They provide very fast equality tests...
Symbols are identifiers that are normally used to refer to something else. They can be used in program forms to refer to function parameters, l...
Is Fortran easier to optimize than C for heavy calculations?
...
The languages have similar feature-sets. The performance difference comes from the fact that Fortran says aliasing is not allowed, unless an EQUIVALENCE statement is used. Any code that has aliasing is not valid Fortran, but it is up to the programmer and not the compiler to detect ...
Best way to extract a subvector from a vector?
...egRogers: It doesn't make sense to use the big-O notation where N is a specific number. Big-O communicates the rate of growth with respect to how N changes. Johann: It's best not to use one variable name in two ways. We'd normally say either O(Y-X), or we'd say O(Z) where Z=Y-X.
...
What does it mean by buffer?
...y in the bowl.
The bowl acts as a buffer between you and the candy bag.
If you're watching a movie online, the web service will continually download the next 5 minutes or so into a buffer, that way your computer doesn't have to download the movie as you're watching it (which would cause hanging)....
How can I make my flexbox layout take 100% vertical space?
...r {
display: flex;
flex-direction: column;
flex-wrap: nowrap;
justify-content: flex-start;
align-items: stretch;
align-content: stretch;
height: 100%;
}
and set the 3rd row to flex-grow
#row3 {
background-color: green;
flex: 1 1 auto;
display: flex;
}
demo
...
BLE 低功耗蓝牙调试助手：扫描、连接、读写、订阅通知（附 .aia 源码） · ...
...功耗蓝牙1.DeviceList, ",") {
var 段 = split(trim(项), " ")
if length(段) >= 3 {
listadd(设备地址表, 段[1])
listadd(行列表, 列表显示框_设备.CreateElement(段[2], join(段[1], " 信号 ", 段[length(段)], " dBm"), ""))
}
}
列表显示框_设备.Ele...
Where can I find a NuGet package for upgrading to System.Web.Http v5.0.0.0?
...PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages\Microsoft.AspNet.WebApi.Core.5.0.0\lib\net45\System.Web.Http.dll</HintPath>
</Reference>
...
Change Author template in Android Studio
...the required pattern. Use the description section below to understand the different parameters that can be used.
/**
* Created by ${USER} on ${DAY},${MONTH_NAME_FULL},${YEAR}
*/
Note: For the name attribute, you can simply write it directly without using attributes. Also you can add your compan...
PHP Sort a multidimensional array by element containing date
...e" field of each record as a UNIX timestamp (an integer), and returns the difference, so that the result will be 0 if both dates are equal, a positive number if the first one ($a) is larger or a negative value if the second argument ($b) is larger. usort() uses this information to sort the array.
...
Maximum concurrent Socket.IO connections
...update your simulator as you go. Operating a user chat interface would be different to monitor users browser and so on.. Python i found very handy to script a simulator...
– Angry 84
Nov 27 '15 at 7:31
...