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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
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Short answer: portability.
While __arglist, __makeref, and __refvalue are language extensions and are undocumented in the C# Language Specification, the constructs used to implement them under the hood (vararg calling convention, TypedReference type, arglist...
How to clear APC cache entries?
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@naitsirch Perhaps this was a bug that is fixed in the latest version.. At the time I posted the answer this is what worked for me. Unfortunately I don't know what version I was using at the time but this answer is apparently useful to 25 other people who were ostensibly using the ...
Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...ns (for most things):
$ perl -MO=Deparse -p -e 1
LINE: while (defined($_ = <ARGV>)) {
'???';
}
continue {
die "-p destination: $!\n" unless print $_;
}
-e syntax OK
1 is represented by '???', because it is optimized away.
$ perl -MO=Deparse -p -i -e 1
BEGIN { $^I = ""; }
LINE...
Most efficient way to concatenate strings?
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string.Format is not the fastest way under any circumstances. I don't know how to contrive a case where it comes ahead.
– usr
Jun 23 '16 at 13:55
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How do I directly modify a Google Chrome Extension File? (.CRX)
... @JDavis - thanks for the input! It is mine... Fixed the slash - haven't tested Mac yet :s As for hijacking the new tab - I was thinking it will save some clicks, but once I'll get some input I'll consider changing it.
– Shaihi
Feb 12 '13 at 7:51
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What is the meaning and difference between subject, user and principal?
... (SO disallows linebreaks in comments): John (human) SUBJECT > username_1 PRINCIPAL > password_1 USER John (human) SUBJECT > username_1 PRINCIPAL > password_2 USER John (human) SUBJECT > username_1 PRINCIPAL > smartcard_1 USER John (human) SUBJECT > username_1 PRINCIPAL > ce...
Difference between dispatch_async and dispatch_sync on serial queue?
... ensure the serial execution of tasks. The only difference is that dispatch_sync only return after the block is finished whereas dispatch_async return after it is added to the queue and may not finished.
for this code
dispatch_async(_serialQueue, ^{ printf("1"); });
printf("2");
dispatch_async(_se...
Make sure that the controller has a parameterless public constructor error
... More like LousyErrorMessageException()
– Simon_Weaver
Dec 14 '18 at 0:24
What relevant places did you place the...
What are allowed characters in cookies?
...s in both cookie name and value?
According to the ancient Netscape cookie_spec the entire NAME=VALUE string is:
a sequence of characters excluding semi-colon, comma and white space.
So - should work, and it does seem to be OK in browsers I've got here; where are you having trouble with it?
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Multiline strings in VB.NET
...ring is called implicit line continuation. It has to do with removing the _ from a multi-line statement or expression. This does remove the need to terminate a multiline string with _ but there is still no mult-line string literal in VB.
Example for multiline string
Visual Studio 2008
Dim x = "...