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Templated check for the existence of a class member function?
...e:
#include <iostream>
struct Hello
{
int helloworld() { return 0; }
};
struct Generic {};
// SFINAE test
template <typename T>
class has_helloworld
{
typedef char one;
struct two { char x[2]; };
template <typename C> static one test( decltype(&C::hellow...
Video auto play is not working in Safari and Chrome desktop browser
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edited Sep 20 '18 at 9:10
answered Aug 1 '13 at 12:53
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How Do I 'git fetch' and 'git merge' from a Remote Tracking Branch (like 'git pull')
...
170
You don't fetch a branch, you fetch an entire remote:
git fetch origin
git merge origin/an-othe...
(Built-in) way in JavaScript to check if a string is a valid number
...xamples
isNaN(123) // false
isNaN('123') // false
isNaN('1e10000') // false (This translates to Infinity, which is a number)
isNaN('foo') // true
isNaN('10px') // true
Of course, you can negate this if you need to. For example, to implement the IsNumeric example you gav...
SQL NVARCHAR and VARCHAR Limits
... selection criteria the string containing the dynamic SQL is growing over 4000 chars. Now, I understand that there is a 4000 max set for NVARCHAR(MAX) , but looking at the executed SQL in Server Profiler for the statement
...
Cleanest way to write retry logic?
...ar exceptions = new List<Exception>();
for (int attempted = 0; attempted < maxAttemptCount; attempted++)
{
try
{
if (attempted > 0)
{
Thread.Sleep(retryInterval);
}
...
What are the differences between .so and .dylib on osx?
...oaded.
Historically, the differences were more significant. In Mac OS X 10.0, there was no way to dynamically load libraries. A set of dyld APIs (e.g. NSCreateObjectFileImageFromFile, NSLinkModule) were introduced with 10.1 to load and unload bundles, but they didn't work for dylibs. A dlopen co...
Resolving LNK4098: defaultlib 'MSVCRT' conflicts with
...where. The CRT DLL used by your program has a different name (like msvcrt90.dll).
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XSD: What is the difference between xs:integer and xs:int?
...
110
The difference is the following:
xs:int is a signed 32-bit integer.
xs:integer is an integer un...
How do I get the value of text input field using JavaScript?
... [whole_number] to get the desired occurrence. For the first element, use [0],
for the second one use 1, and so on...
Method 2:
Use
document.getElementsByClassName('class_name')[whole_number].value which returns a Live HTMLCollection
For example, document.getElementsByClassName("searc...