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How to use Git properly with Xcode?
...me time. The solution in 99% of the merge conflict cases is to keep both sides of the merge, which for git at least simply involves removing any >>>>, <<<<, and ==== lines. In fact this is so common that I have created a simple shell script to fix a .pbxproj file in a merge...
Does PostgreSQL support “accent insensitive” collations?
...hen creating unaccent extension on PostgreSQL
Among other things, it provides the function unaccent() you can use with your example (where LIKE seems not needed).
SELECT *
FROM users
WHERE unaccent(name) = unaccent('João');
Index
To use an index for that kind of query, create an index on t...
How could I use requests in asyncio?
...lock the event loop of asyncio . I've found aiohttp but it couldn't provide the service of http request using a http proxy.
...
What is the >>>= operator in C?
...
I didn't run it - would this not produce ????, though, rather than ??? as the OP got? (Huh.) codepad.org/nDkxGUNi does produce ???.
– usr2564301
Aug 25 '14 at 22:34
...
Javascript when to use prototypes
...ve that by returning an object:
return {
show: function() { ... },
hide: function() { ... },
css: function() { ... },
animate: function() { ... },
// etc...
};
But that would mean that every jQuery object in memory would have dozens of named slots containing the same methods, over ...
What is the lifetime of a static variable in a C++ function?
...emitter() { cout << "Destroyed " << str << endl; }
};
void foo(bool skip_first)
{
if (!skip_first)
static emitter a("in if");
static emitter b("in foo");
}
int main(int argc, char*[])
{
foo(argc != 2);
if (argc == 3)
foo(false);
}
Output:
C:>...
Android: What's the difference between Activity.runOnUiThread and View.post?
...
@Ashwin: "You said runOnUiThread() executes the Runnable immediately" -- no, I did not. Please re-read the comment. I said "runOnUiThread() checks the current thread and executes the Runnable immediately if we happen to be on the main applic...
Is the 'override' keyword just a check for a overridden virtual method?
As far as I understand, the introduction of override keyword in C++11 is nothing more than a check to make sure that the function being implemented is the override ing of a virtual function in the base class.
...
Local variables in nested functions
...ets the cat.
dog: Mary pets the cat.
cat: Mary pets the cat.
But if we avoid creating a list() first:
>>> for name, f in get_petters():
... print(name + ":", f())
cow: Mary pets the cow.
dog: Mary pets the dog.
cat: Mary pets the cat.
What's going on? Why does this subtle difference ...
What is “thread local storage” in Python, and why do I need it?
...wing sentence please? "If you want to atomically modify anything that you didn't just create in this very same thread, and did not store anywhere another thread can get at it, you have to protect it by a lock."
– changyuheng
May 11 '18 at 20:35
...