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Can someone explain the right way to use SBT?
...ently.
Project structure
sbt new scala/scala-seed.g8 creates a minimal Hello World sbt project structure
.
├── README.md // most important part of any software project
├── build.sbt // build definition of the project
├── project // build definition of the build (sbt is re...
Why does this code using random strings print “hello world”?
The following print statement would print "hello world".
Could anyone explain this?
15 Answers
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How do I make CMake output into a 'bin' dir?
... answered Jul 13 '18 at 8:07
JayhelloJayhello
3,02533 gold badges2626 silver badges3838 bronze badges
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How can I remove a substring from a given String?
...
You could easily use String.replace():
String helloWorld = "Hello World!";
String hellWrld = helloWorld.replace("o","");
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PHP常用API函数用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...e() 函数
把数组元素组合为字符串。
<?php
$arr = array('Hello','World!','I','love','Shanghai!');
echo implode(" ",$arr);
?>
结果：Hello World! I love Shanghai!
语法
implode(separator,array)
参数
描述
separator
可选。规定数组元...
Cannot refer to a non-final variable inside an inner class defined in a different method
...s EnclosingClass {
public void someMethod() {
String shared = "hello";
new Thread() {
public void run() {
// this is not valid, won't compile
System.out.println(shared); // this instance expects shared to point to the reference where t...
Convert a list to a dictionary in Python
...
You can use a dict comprehension for this pretty easily:
a = ['hello','world','1','2']
my_dict = {item : a[index+1] for index, item in enumerate(a) if index % 2 == 0}
This is equivalent to the for loop below:
my_dict = {}
for index, item in enumerate(a):
if index % 2 == 0:
...
Read values into a shell variable from a pipe
...foo)
EOF
You can trick read into accepting from a pipe like this:
echo "hello world" | { read test; echo test=$test; }
or even write a function like this:
read_from_pipe() { read "$@" <&0; }
But there's no point - your variable assignments may not last! A pipeline may spawn a subshell...
How can I write text on a HTML5 canvas element?
...s width-200, height:100 horizontal: ctx.textAlign = 'center' ctx.fillText('Hello', 100, 10) vertical: ctx.textBaseline = 'middle' ctx.fillText('Hello', 10, 50)
– tomision
Aug 18 '16 at 6:30
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How can I programmatically determine if my app is running in the iphone simulator?
...his is purported to work officially.
#if TARGET_IPHONE_SIMULATOR
NSString *hello = @"Hello, iPhone simulator!";
#elif TARGET_OS_IPHONE
NSString *hello = @"Hello, device!";
#else
NSString *hello = @"Hello, unknown target!";
#endif
Original post (since deprecated)
This code will tell you if you are ...