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How to initialize all members of an array to the same value?
...8(...) STRUCTVAL_32(__VA_ARGS__), STRUCTVAL_16(__VA_ARGS__)
struct Pair { char key[16]; char val[32]; };
struct Pair p_data[] = { STRUCTVAL_48("Key", "Value") };
int a_data[][4] = { STRUCTVAL_48(12, 19, 23, 37) };
macro names are negotiable.
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In C#, why is String a reference type that behaves like a value type?
A String is a reference type even though it has most of the characteristics of a value type such as being immutable and having == overloaded to compare the text rather than making sure they reference the same object.
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Using Custom Domains With IIS Express
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You could also use a URL like http://jam.127.0.0.1.xip.io/ if you don't want modify your hosts file. Plus, any collaborators won't need to modify theirs. See xip.io.
– Zack Martin
Aug 11 '16 at 16:12
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Regex select all text between tags
... the single/double quote characters with ` in order to put the regexp in a string.
– David Zwart
Sep 14 '18 at 10:58
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Executing multi-line statements in the one-line command-line?
...rehension, lambdas, sys.stdout.write, the "map" builtin, and some creative string interpolation, you can do some powerful one-liners.
The question is, how far do you want to go, and at what point is it not better to write a small .py file which your makefile executes instead?
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Get the full URL in PHP
.../$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
(Note that the double quoted string syntax is perfectly correct)
If you want to support both HTTP and HTTPS, you can use
$actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVE...
Is there a command to refresh environment variables from the command prompt in Windows?
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And annoyingly, extra instances of cmd.exe don't count. They all have to be killed before the change is reflected in any new cmd.exe's.
– Mike F
Oct 5 '08 at 8:08
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How can I pad a value with leading zeros?
...n't use this solution!
Potentially outdated: ECMAScript 2017 includes String.prototype.padStart and Number.prototype.toLocaleString is there since ECMAScript 3.1. Example:
var n=-0.1;
n.toLocaleString('en', {minimumIntegerDigits:4,minimumFractionDigits:2,useGrouping:false})
...will outpu...
Difference between int32, int, int32_t, int8 and int8_t
...ktop/server machines, it probably won't be.
Oops -- missed the part about char. You'd use int8_t instead of char if (and only if) you want an integer type guaranteed to be exactly 8 bits in size. If you want to store characters, you probably want to use char instead. Its size can vary (in terms of ...
What does the unary plus operator do?
... answered Oct 11 '10 at 2:07
Charles SalviaCharles Salvia
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