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Why .NET String is immutable? [duplicate]
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Instances of immutable types are inherently thread-safe, since no thread can modify it, the risk of a thread modifying it in a way that interferes with another is removed (the reference itself is a different matter).
Similarly, the fact that aliasing can't produce change...
How to convert a data frame column to numeric type?
... not the most confounding thing, but it can confuse you, especially if you read this before rolling into bed.
Here goes: first two columns are character. I've deliberately called 2nd one fake_char. Spot the similarity of this character variable with one that Dirk created in his reply. It's actually...
What is an MvcHtmlString and when should I use it?
...prevent XSS.
However, this introduces the problem that if a code nugget already encodes its result, the <%: %> syntax will re-encode it. This is solved by the introduction of the IHtmlString interface (new in .NET 4). If the foo() in <%: foo() %> returns an IHtmlString, the <%: %&g...
Set active tab style with AngularJS
...ill compare to the current path. However, you could adapt fairly easily to read/write a parent or child element, if you preferred to invoke on the <li> or something. I dig this because you can re-use it in many contexts by simply varying the pathLevel argument. If the depth to read from was as...
实战Nginx与PHP(FastCGI)的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
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fastcgi_connect_timeout 300;
fastcgi_send_timeout 300;
fastcgi_read_timeout 300;
fastcgi_buffer_size 64k;
fastcgi_buffers 4 64k;
fastcgi_busy_buffers_size 128k;
fastcgi_temp_file_write_size 128k;
fastcgi_cache TEST;
fastcgi_cache_valid 200 302 1h;
fastc...
Rails: confused about syntax for passing locals to partials
...because I have been keeping up with Rails for the last couple of years and read the announcements that a new way of doing it has been added. I often make a mistake in it myself, but usually it's easily corrected.
It's one of those parts of Rails API that hasn't been thoroughly thought through, if y...
opengl: glFlush() vs. glFinish()
... SwapBuffers is context specific and only need to flush the calling thread context. If rendering multiple contexts each should be flushed manually as it is not guearanteed to happen when swapping buffers through another context.
– Andreas
Apr 14 '16 at 14:...
Why does Clojure have “keywords” in addition to “symbols”?
...dge of other Lisps (particularly Scheme) from way back. Recently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords.
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Using async-await on .net 4
...osoft.Bcl.Async) through Nuget as a replacement for the AsyncCTP.
You can read more about it here: http://blogs.msdn.com/b/bclteam/archive/2013/04/17/microsoft-bcl-async-is-now-stable.aspx.
You can read about the previous version here: http://blogs.msdn.com/b/lucian/archive/2012/04/24/async-target...
Gradle to execute Java class (without modifying build.gradle)
... @Matt This approach breaks my simple Java program that uses a Scanner to read nextLine(). Any thought on a fix for this? Keep getting "no line found" when running using runApp.
– Greg Hilston
Aug 10 '19 at 15:57
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