大约有 40,000 项符合查询结果（耗时：0.0503秒） [XML]
Regex for numbers only
...ficulty troubleshooting. I want the regex to match only when the contained string is all numbers; but with the two examples below it is matching a string that contains all numbers plus an equals sign like "1234=4321". I'm sure there's a way to change this behavior, but as I said, I've never really d...
constant pointer vs pointer on a constant value [duplicate]
...ometimes be written by someone else. Or, it can be really constant, e.g. a string literal.
– Marquis of Lorne
May 26 '16 at 23:57
add a comment
|
...
How to pass parameters correctly?
...ssing an rvalue (in this case, one move will be performed).
Account(std::string number, float amount, CreditCard const& creditCard)
: number(number), amount(amount), creditCard(creditCard) // copy here
{ }
Account(std::string number, float amount, CreditCard&& creditCard)
: number(n...
Why does base64 encoding require padding if the input length is not divisible by 3?
...d sequence.
However, padding is useful in situations where base64 encoded strings are concatenated in such a way that the lengths of the individual sequences are lost, as might happen, for example, in a very simple network protocol.
If unpadded strings are concatenated, it's impossible to recover...
When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...ventData is a structure e.g.
// typedef struct _EventData {
// std::string id;
// std:: string remote_id;
// } EventData;
// On Some Situation a void pointer *pData
// has been static_casted as
// EventData* pointer
EventData *evtdata = static_cast<EventData*>(pData);
...
Stripping out non-numeric characters in string
Hey Im looking to strip out non-numeric characters in a string in ASP.NET C#
11 Answers
...
How to assign a Git SHA1's to a file without Git?
...having Git installed. Note that "\0" is the NULL-byte, not a two-character string.
For example, the hash of an empty file:
sha1("blob 0\0") = "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"
$ touch empty
$ git hash-object empty
e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
Another example:
sha1("blob 7\...
Undefined reference to static constexpr char[]
...n initializer.
So then the question becomes, is baz odr-used here:
std::string str(baz);
and the answer is yes, and so we require a namespace scope definition as well.
So how do we determine if a variable is odr-used? The original C++11 wording in section 3.2 [basic.def.odr] says:
An expr...
Specify sudo password for Ansible
...ord that you used when creating your secret file. The password should be a string stored as a single line in the file.
From the Ansible Docs:
.. ensure permissions on the file are such that no one else can access your key and do not add your key to source control
Finally: you can now run your...
Javascript equivalent of Python's zip function
...ndum:
To make this handle any iterable (e.g. in Python you can use zip on strings, ranges, map objects, etc.), you could define the following:
function iterView(iterable) {
// returns an array equivalent to the iterable
}
However if you write zip in the following way, even that won't be nece...