大约有 15,000 项符合查询结果（耗时：0.0285秒） [XML]
Adding two numbers concatenates them instead of calculating the sum
...asiest way to produce a number from a string is to prepend it with +:
var x = +y + +z;
share
|
improve this answer
|
follow
|
...
How can I generate a self-signed certificate with SubjectAltName using OpenSSL? [closed]
...I am generating the csr for the certificate, my guess is I have to use v3 extensions of OpenSSL x509.
I am using :
1 Answer...
How to log out user from web site using BASIC authentication?
...nd requesting a login.
They must be directed to input wrong credentials next, eg. a blank username-and-password, and in response you send back a “You have successfully logged out” page. The wrong/blank credentials will then overwrite the previous correct credentials.
In short, the logout scrip...
Pass arguments to Constructor in VBA
...unction has to instantiate your class, and call the initiation subroutine explained in point (1), passing the received arguments. Finally returned the instantiated and initiated method.
Example:
Let's say we have the custom class Employee. As the previous example, is has to be instantiated with na...
How to get the list of properties of a class?
...Type().GetProperties();
for a type:
typeof(Foo).GetProperties();
for example:
class Foo {
public int A {get;set;}
public string B {get;set;}
}
...
Foo foo = new Foo {A = 1, B = "abc"};
foreach(var prop in foo.GetType().GetProperties()) {
Console.WriteLine("{0}={1}", prop.Name, prop...
The type or namespace name 'Objects' does not exist in the namespace 'System.Data'
...n this base class, i want to handle the connection state of the ObjectContext base class inherited by entities object.
8 An...
Force R not to use exponential notation (e.g. e+10)?
...nalty to be applied when deciding to print
numeric values in fixed or exponential notation. Positive
values bias towards fixed and negative towards scientific
notation: fixed notation will be preferred unless it is more
than ‘scipen’ digits wider....
How do you use colspan and rowspan in HTML tables?
...
I'd suggest:
table {
empty-cells: show;
border: 1px solid #000;
}
table td,
table th {
min-width: 2em;
min-height: 2em;
border: 1px solid #000;
}
<table>
<thead>
<tr>
<th rowspan="2"></th>
...
C++ auto keyword. Why is it magic?
...f auto to mean a deduced type was new with C++11.
At the same time, auto x = initializer deduces the type of x from the type of initializer the same way as template type deduction works for function templates. Consider a function template like this:
template<class T>
int whatever(T t) {
...
Why does C++ not allow inherited friendship?
...t least optionally inheritable in C++? I understand transitivity and reflexivity being forbidden for obvious reasons (I say this only to head off simple FAQ quote answers), but the lack of something along the lines of virtual friend class Foo; puzzles me. Does anyone know the historical backgrou...