The answer is: NO. You don't need Scala or whatever so called FP at all. Stick with Java 6 or Java 7 is more than enough. Remember the Gold Motto and Principle of Unix - Keep It Simple and Stupid! Don't even look at Java 8 which makes it look strange and obscure to learn/debug/maintain. Hard core Java programmer never gives a shit to Scala at all. Only those from MS background who doesn't accept the fact that C#/.NET loses to Java will. Java in culture follows Unix tradition which believes in KISS principle and forbids any syntactic sugars in languages itself.
window里我可以把txt file改成xyz file. 这样这个文件就不能wordpad之类的打开了 。 这时候这个文件a.txt-->a.xyz. 用MV or whatever you mentioned before, a.txt-->a.xyz.txt Actually it is still txt file, not xyz file. I need to change the property of the txt file. Thanks.
【在 M*********9 的大作中提到】 : window里我可以把txt file改成xyz file. 这样这个文件就不能wordpad之类的打开了 : 。 这时候这个文件a.txt-->a.xyz. : 用MV or whatever you mentioned before, a.txt-->a.xyz.txt : Actually it is still txt file, not xyz file. I need to change the property : of the txt file. : Thanks.
H*S
30 楼
没有问题,勇敢地上。什么东西都是一个从无到有的过程。Java8加了一堆runtime check的feature,Scala早已经evolve到compile time check。strong typing绝对是后 端未来的大趋势。
【在 M*********9 的大作中提到】 : window里我可以把txt file改成xyz file. 这样这个文件就不能wordpad之类的打开了 : 。 这时候这个文件a.txt-->a.xyz. : 用MV or whatever you mentioned before, a.txt-->a.xyz.txt : Actually it is still txt file, not xyz file. I need to change the property : of the txt file. : Thanks.
c*9
32 楼
"Keep It Simple and Stupid". 关键词是Keep,不要理解为“Make It Simple and Stupid”。 FP很大程度就是为了在复杂的需求下保持简单。
and Java
【在 d****i 的大作中提到】 : The answer is: NO. You don't need Scala or whatever so called FP at all. : Stick with Java 6 or Java 7 is more than enough. Remember the Gold Motto and : Principle of Unix - Keep It Simple and Stupid! Don't even look at Java 8 : which makes it look strange and obscure to learn/debug/maintain. Hard core : Java programmer never gives a shit to Scala at all. Only those from MS : background who doesn't accept the fact that C#/.NET loses to Java will. Java : in culture follows Unix tradition which believes in KISS principle and : forbids any syntactic sugars in languages itself.
It doesn't matter. Open up your special software, use "Open" menu command, browse to the file you want to open, click "Open". If you want a file that can be double clicked to open the software, just do the above step the first time, then "Save As" a file specific to the software.
【在 M*********9 的大作中提到】 : window里我可以把txt file改成xyz file. 这样这个文件就不能wordpad之类的打开了 : 。 这时候这个文件a.txt-->a.xyz. : 用MV or whatever you mentioned before, a.txt-->a.xyz.txt : Actually it is still txt file, not xyz file. I need to change the property : of the txt file. : Thanks.
n*3
40 楼
我觉得只是用spark , 不需要很多scala feature s 只要follow spark 的 examples 就好 复杂的 business logic 可以用 Java or scala, 然后把他们这些 as functions,放到 spark 里去run就好了
Wordpad 是可能打不开了,但那个文件还是txt。文件类型和后缀是没有关系的。只是 有些程序投机取巧,完全用后缀来判别类型,wordpad可能就是一个。不信你换成 ultraedit试试,还是一样能打开,打开还是txt。 不管在哪个操作系统里,都没有改了后缀就改了文件“属性”这一说。不知道你想要的 是不是改变缺省打开这个文件的程序。如果是这样,可以看看这篇文章,“Change Default App for All Files of a File Type“ 一节: http://www.tech-recipes.com/rx/2573/os_x_how_to_change_default_
The answer is: NO. You don't need Scala or whatever so called FP at all. Stick with Java 6 or Java 7 is more than enough. Remember the Gold Motto and Principle of Unix - Keep It Simple and Stupid! Don't even look at Java 8 which makes it look strange and obscure to learn/debug/maintain. Hard core Java programmer never gives a shit to Scala at all. Only those from MS background who doesn't accept the fact that C#/.NET loses to Java will. Java in culture follows Unix tradition which believes in KISS principle and forbids any syntactic sugars in languages itself.
"Keep It Simple and Stupid". 关键词是Keep,不要理解为“Make It Simple and Stupid”。 FP很大程度就是为了在复杂的需求下保持简单。
and Java
【在 d****i 的大作中提到】 : The answer is: NO. You don't need Scala or whatever so called FP at all. : Stick with Java 6 or Java 7 is more than enough. Remember the Gold Motto and : Principle of Unix - Keep It Simple and Stupid! Don't even look at Java 8 : which makes it look strange and obscure to learn/debug/maintain. Hard core : Java programmer never gives a shit to Scala at all. Only those from MS : background who doesn't accept the fact that C#/.NET loses to Java will. Java : in culture follows Unix tradition which believes in KISS principle and : forbids any syntactic sugars in languages itself.
【在 d****i 的大作中提到】 : The answer is: NO. You don't need Scala or whatever so called FP at all. : Stick with Java 6 or Java 7 is more than enough. Remember the Gold Motto and : Principle of Unix - Keep It Simple and Stupid! Don't even look at Java 8 : which makes it look strange and obscure to learn/debug/maintain. Hard core : Java programmer never gives a shit to Scala at all. Only those from MS : background who doesn't accept the fact that C#/.NET loses to Java will. Java : in culture follows Unix tradition which believes in KISS principle and : forbids any syntactic sugars in languages itself.
n*3
59 楼
code looks simple and short but IQ challenging
【在 d******e 的大作中提到】 : 要simple绝对要上scala. : : and : Java
这句话来源不是英文,而是翻译过来的,意思本身就不太明确,也有翻译成simple stupid,没用逗号。 而且也只是适用特定情况,比如飞行器设计等复杂又要高安全的。 爱因斯坦的"Make everything as simple as possible, but not simpler"才是普遍真 理。 PHP 除了学习容易,调试,性能,维护都不沾边。