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Lambda capture as const reference?
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const isn't in the grammar for captures as of n3092:
capture:
identifier
& identifier
this
The text only mention capture-by-copy and capture-by-reference and doesn't mention any sort of const-ness.
Feels like an oversight to me, but I haven't followed the sta...
java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger for JUnit test case for Java mail
... <artifactId>javax.mail</artifactId>
<version>1.6.0</version>
</dependency>
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How do I remove the last comma from a string using PHP?
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edited Jul 6 '19 at 22:04
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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Split string to equal length substrings in Java
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Uploading images using Node.js, Express, and Mongoose
...eived, bytesExpected){
var percent = (bytesReceived / bytesExpected * 100) | 0;
process.stdout.write('Uploading: %' + percent + '\r');
});
});
app.listen(3000);
console.log('Express app started on port 3000');
sh...
Using arrays or std::vectors in C++, what's the performance gap?
...on vectors and arrays/pointers.
// Assembly code was generated by gcc 4.1.0 invoked with g++ -O3 -S on a
// x86_64-suse-linux machine.
#include <vector>
struct S
{
int padding;
std::vector<int> v;
int * p;
std::vector<int>::iterator i;
};
int pointer_index (S & ...
Convert bytes to a string
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answered Mar 3 '09 at 12:26
Aaron MaenpaaAaron Maenpaa
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App Inventor 2 项目合并工具 AIMerge · App Inventor 2 中文网
...整个组合应用程序仍然受到 App Inventor 建议的总共最多 10 个屏幕的限制。
本文档概述了使用 App Inventor 合并工具在团队环境中开发应用程序的过程。它将使用由两个不同开发人员开发的简单双屏应用程序的示例来演示此过程。
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Differences between C++ string == and compare()?
...raits,Allocator>& rhs) noexcept;
Returns: lhs.compare(rhs) == 0.
Seems like there isn't much of a difference!
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Conditional Variable vs Semaphore
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208
Locks are used for mutual exclusion. When you want to ensure that a piece of code is atomic, p...