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How do shift operators work in Java? [duplicate]
...e, calling Math.pow() and converting back to an int.) It's also useful for transforming an int value from signed (Java) to an unsigned equivalent (C/C++; Java doesn't have unsigned types, which is one of its shortcomings).
– Agi Hammerthief
Apr 16 '18 at 13:05
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Functional style of Java 8's Optional.ifPresent and if-not-Present?
...s.
opt.filter(x -> x.contains("ab")).ifPresent(this::print);
map() - transform value if present
opt.map(String::trim).filter(t -> t.length() > 1).ifPresent(this::print);
orElse()/orElseGet() - turning empty Optional to default T
int len = opt.map(String::length).orElse(-1);
int len =...
StatusbarTools 扩展 - 状态栏自定义工具 · App Inventor 2 中文网
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StatusbarTools扩展为App Inventor开发者提供了强大的状态栏自定义功能，允许完全控制应用的状态栏外观，包括背景颜色、透明度设置以及图标颜色样式。
扩展下载
StatusbarTools扩展: com.SalmanDev.Statu...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
OpenSSH升级后不能登录的问题升级OPENSSH 遇到头疼的问题Openssh 爆出很多安全漏洞，客户那边搞安全检查，扫描结果出来了，漏洞基本都是在openssh上面于是打算升级升...升级OPENSSH 遇到头疼的问题
Openssh 爆出很多安全漏洞，客...
Items in JSON object are out of order using “json.dumps”?
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@jean: there is ordereddict_literals from codetransformer package (alpha quality)
– jfs
Feb 19 '16 at 18:27
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Get current directory name (without full path) in a Bash script
... to dirname, because dirname has functionality that ${PWD##*/} does not -- transforming a string with no slashes to ., for instance. Thus, while using dirname as an external tool has performance overhead, it also has functionality that helps to compensate for same.
– Charles Du...
How can I remove the first line of a text file using bash/sed script?
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I get error: unterminated transform source string
– Daniel Kobe
Dec 1 '15 at 4:16
10
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How do I read the contents of a Node.js stream into a string variable?
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I'm using usually this simple function to transform a stream into a string:
function streamToString(stream, cb) {
const chunks = [];
stream.on('data', (chunk) => {
chunks.push(chunk.toString());
});
stream.on('end', () => {
cb(chunks.join(''));...
Regex replace uppercase with lowercase letters
... super. very useful. Could you please point to some resource that lists transformations like '\L' ?
– Codious-JR
Apr 3 '16 at 10:49
18
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Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...了吧。不过FastCGI Cache不支持分布式缓存，当服务器很多的时候，冗余的浪费将非常严重，此外还有数据一致性问题，所以它只是一个粗线条的解决方案。
对此类问题而言，SRCache是一个细粒度的解决方案。其工作原理大致如下...