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File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希 ·...
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
“find: paths must precede expression:” How do I specify a recursive search that also finds files in
...scribed in @Chris J's answer, here is what worked for me
find . -name one.pdf -o -name two.txt -o -name anotherone.jpg
-o or -or is logical OR. See Finding Files on Gnu.org for more information.
I was running this on CygWin.
...
round() for float in C++
...according to http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3337.pdf)
#include <cmath>
#include <iostream>
int main(int argc, char** argv) {
std::cout << "round(0.5):\t" << round(0.5) << std::endl;
std::cout << "round(-0.5):\t" << round(-0.5)...
How to clone a case class instance and change just one field in Scala?
...nd it in the Scala specification: scala-lang.org/docu/files/ScalaReference.pdf §5.3.2. It's not in the API because it's not a part of the API ;)
– Nicolas
Aug 30 '11 at 20:44
1
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Is short-circuiting logical operators mandated? And evaluation order?
...eful
}
Section 6.5.13 Logical AND operator of the C99 specification (PDF link) says
(4). Unlike the bitwise binary & operator, the && operator guarantees
left-to-right evaluation; there is a
sequence point after the evaluation of
the first operand. If the first
operand ...
MediaHelper 媒体助手扩展：从媒体文件提取元数据和专辑封面 · App Inventor 2 中文网
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
How default .equals and .hashCode will work for my classes?
... a good explanation.
For more information, see Effective Java, Chapter 3 (pdf), item 8.
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Parse email content from quoted reply
... what, if you're interested in the threading process, check out this great PDF on reassembling email threads.
When you don't have the thread:
If you are stuck with only one message from the thread, you're doing to have to try to guess what the quote is. In that case, here are the different quotat...
How to free memory in Java?
...s by relying on the garbage collector.
This memory management whitepaper (PDF) may help explain what's going on.
You can also call System.gc() to suggest that the garbage collector run immediately. However, the Java Runtime makes the final decision, not your code.
According to the Java documenta...
Trying to fix line-endings with git filter-branch, but having no luck
...tus,
unset their text attribute before
running git add -u.
manual.pdf -text
Conversely, text files that git does
not detect can have normalization
enabled manually.
weirdchars.txt text
This leverages a new --renormalize flag added in git v2.16.0, released Jan 2018. Fo...