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Creating temporary files in bash
...s input to another command, e.g.:
$ diff <(echo hello world) <(echo foo bar)
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Non-type template parameters
...e arguments
template <std::string temp>
void f() {
// ...
}
f<"foo">();
f<"bar">(); // different function!?
Now an impl would need to come up with a unique sequence of characters for a std::string or, for that matter, any other arbitrary user defined class, storing a particula...
Reference assignment operator in PHP, =&
...0$b;
https://www.php.net/manual/en/language.references.whatdo.php#:~:text=$foo%20=%26%20find_var($bar);
https://www.php.net/manual/en/language.oop5.basic.php#:~:text=$reference%20%20=%26%20$instance;
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Bare asterisk in function arguments?
...sitional arguments than the function expects, gives an error of this kind: foo() takes exactly 1 positional argument (2 given)
– Ajay M
May 27 '18 at 1:49
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Coding in Other (Spoken) Languages
...de in the French language this leads to the following travesty:
interface Foo {
Color getCouleur();
void setCouleur(Color couleur);
}
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How can I change property names when serializing with Json.net?
...ferent name:
using Newtonsoft.Json;
// ...
[JsonProperty(PropertyName = "FooBar")]
public string Foo { get; set; }
Documentation: Serialization Attributes
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How to parse a string to an int in C++?
...oblem: what if the caller needs to distinguish between bad input (e.g. "123foo") and a number that is out of the range of int (e.g. "4000000000" for 32-bit int)? With stringstream, there is no way to make this distinction. We only know whether the conversion succeeded or failed. If it fails, we have...
Enums and Constants. Which to use when?
...t to any other integral type except char like:
enum LongEnum : long {
foo,
bar,
}
You can cast explicitly from and implicitly to the the base type, which is useful in switch-statements. Beware that one can cast any value of the base type to an enum, even if the enum has no member with the...
Iterate over object keys in node.js
... _array is the array of all the keys
// this keyword = secondArg
this.foo;
this.bar();
}, secondArg);
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How to raise a ValueError?
... function: The OP needs/wants a for loop. 1st function: FAIL for contains('foo', 'f').
– John Machin
Dec 9 '10 at 6:56
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