大约有 19,000 项符合查询结果(耗时:0.0449秒) [XML]
Optimise PostgreSQL for fast testing
...elsewhere. If and only if you're doing to turn fsync off can also turn full_page_writes off, as it no longer does any good then. Beware that fsync=off and full_page_writes apply at the cluster level, so they affect all databases in your PostgreSQL instance.
For production use you can possibly use s...
How to develop a soft keyboard for Android? [closed]
..."/", "+", "-", "9", "0", "1", "4", "@", "5", "7", "(", "2",
"\"", "6", "_", "=", "]", "[", "<", ">", "|" };
private Button mB[] = new Button[32];
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
try {
setContentView(R.layout.main);
...
Pointers vs. values in parameters and return values
... of how the type is used"
Reference : https://golang.org/doc/faq#methods_on_values_or_pointers
Edit : Another important thing is to know the actual "type" that you are sending to function. The type can either be a 'value type' or 'reference type'.
Even as slices and maps acts as references, ...
Class does not implement its superclass's required members
...move on. The full story is given in my book: apeth.com/swiftBook/ch04.html#_class_initializers
– matt
Aug 20 '15 at 3:41
|
show 1 more comme...
std::wstring VS std::string
...
string? wstring?
std::string is a basic_string templated on a char, and std::wstring on a wchar_t.
char vs. wchar_t
char is supposed to hold a character, usually an 8-bit character.
wchar_t is supposed to hold a wide character, and then, things get tricky:
On Li...
What's the best way to communicate between view controllers?
... answered Mar 5 '12 at 8:38
rd_rd_
34733 silver badges1111 bronze badges
...
PHP parse/syntax errors; and how to solve them
...cal syntax error message reads:
Parse error: syntax error, unexpected T_STRING, expecting ';' in file.php on line 217
Which lists the possible location of a syntax mistake. See the mentioned file name and line number.
A moniker such as T_STRING explains which symbol the parser/tokenizer could...
What does the `forall` keyword in Haskell/GHC do?
...ed FOL's 'forall' and 'exists' and stopped there.
– T_S_
Sep 20 '14 at 17:22
...
How efficient can Meteor be while sharing a huge collection among many clients?
...rhaps you'll find ideas from my paper vanisoft.pl/~lopuszanski/public/cache_invalidation.pdf worthwhile
– qbolec
Jun 8 '16 at 10:57
|
show 1...
Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4
...o run them you use worker threads. Well actually EF is lazy so when you do _context.Foo you are actually not executing anything. You are just building an expression tree. Be extremely careful with this. The query execution is deferred only when you start enumerating over the resultset. And if this h...