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Get a substring of a char* [duplicate]
...that string data without copying it. If you take a pointer to the section from the original string you need to know the length as it will have no null terminator (Without affecting the original string).
– Goz
Nov 12 '13 at 6:56
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C#: Looping through lines of multiline string
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from MSDN for StringReader
string textReaderText = "TextReader is the abstract base " +
"class of StreamReader and StringReader, which read " +
"characters from streams and strings, respectively.\n\n" +
...
push_back vs emplace_back
...o, so I asked the same question on the Visual C++ blog. Here is the answer from Stephan T Lavavej, the official maintainer of the Visual C++ standard library implementation at Microsoft.
Q: Are beta 2 emplace functions just some kind of placeholder right now?
A: As you may know, variadic te...
Accessing Object Memory Address
...ject.__repr__ is ultimately using printf's %p format, which you don't have from Python… but you can always do this:
format(id(spam), '#010x' if sys.maxsize.bit_length() <= 32 else '#18x')
* In 3.x, it's an int. In 2.x, it's an int if that's big enough to hold a pointer—which is may not be ...
Using Linq to get the last N elements of a collection?
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I like it in addition to the accepted answer from kbrimington. If you do not care about the order after you have the last N records you can skip the second Reverse.
– ZoolWay
Apr 29 '14 at 10:35
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using awk with column value conditions
I'm learning awk from The AWK Programming Language and I have a problem with one of the examples.
6 Answers
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How does std::forward work? [duplicate]
... reference to cv TR -> TR (rvalue reference to T)
(Shamelessly stolen from this answer.)
And then let's take a look at a class that wants to employ perfect forwarding:
template<class T>
struct some_struct{
T _v;
template<class U>
some_struct(U&& v)
: _v(static_ca...
Troubleshooting “The use statement with non-compound name … has no effect”
...atement, because its arguments are always seen as absolute (i.e., starting from the global namespace). 2) use Blog; is not necessarily useless: for example, from a file namespaced as Blog\Util\CLI, it would enable you to write Blog\Entry::method() instead of \Blog\Entry::method(). Not that this is r...
uwsgi invalid request block size
...ttings.
buffer-size=32768
or in commandline mode:
-b 32768
Quote from official documentation:
By default uWSGI allocates a very small buffer (4096 bytes) for the headers of each request. If you start receiving “invalid request block size” in your logs, it could mean you need a bigg...
Spring classpath prefix difference
.... syntax is useful primarily when you want to build an application context from multiple bean definition files, using wildcard syntax.
For example, if you construct your context using classpath*:appContext.xml, the classpath will be scanned for every resource called appContext.xml in the classpath,...