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What are the correct version numbers for C#?
... way, for example), but the Environment.Version property still reports 4.0.xxx.
As of May 3, 2017, the C# Language Team created a history of C# versions and features on their GitHub repository: Features Added in C# Language Versions. There is also a page that tracks upcoming and recently implemente...
Is it safe to parse a /proc/ file?
... at the moment on an embedded ARM target.
The file ...linux-2.6.27.8-lpc32xx/net/ipv4/raw.c at line 934 contains, for example
seq_printf(seq, "%4d: %08X:%04X %08X:%04X"
" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
i, src, srcp, dest, destp, sp->sk_state,...
How can I check if a URL exists via PHP?
... return $code;
}
}
// no HTTP/xxx found in headers:
return false;
}
// no headers :
return false;
}
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Illegal pattern character 'T' when parsing a date string to java.util.Date
...with ' on either side.
The pattern for the Z at the end is actually XXX as documented
in the JavaDoc for SimpleDateFormat, it is just not very clear
on actually how to use it since Z is the marker for the old
TimeZone information as well.
Q2597083.java
import java.text.SimpleDateForm...
What's better at freeing memory with PHP: unset() or $var = null
...00);
unset($a);
var_dump($a);
Outputs:
Notice: Undefined variable: a in xxx
NULL
But when $a = null is used:
$a = str_repeat('hello world ', 100);
$a = null;
var_dump($a);
Outputs:
NULL
It seems that $a = null is a bit faster than its unset() counterpart: updating a symbol table entry appea...
How to get a user's client IP address in ASP.NET?
...world. E.g. most home routers hand out IP addresses in the range 192.168.1.xxx, so thousands of machines have the same address on their own networks.
– Steve
Apr 10 '09 at 17:29
12...
How do I get a plist as a Dictionary in Swift?
... hmm when i try using that code you provided, i get the error : xxx does not have a member named dict
– KennyVB
Jun 7 '14 at 10:26
...
in entity framework code first, how to use KeyAttribute on multiple columns
...
InvalidOperationException: Entity type 'XXX' has composite primary key defined with data annotations. To set composite primary key, use fluent API.
– Luca Ziegler
Nov 17 '19 at 18:07
...
How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
...rom Oracle with JSTL 1.1 impl from Apache. You need to remove any standard-xxx.jar. Just only the jstl-1.2.jar is sufficient.
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
...
Mocking a class: Mock() or patch()?
...ssary.
my_badly_written_tweeter(sentence):
twitter_api = Twitter(user="XXX", password="YYY")
sentence.replace('cks','x')
twitter_api.send(sentence)
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