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Please explain the exec() function and its family
...t is to fork(), which creates a brand new process containing a duplicate (mostly) of the current program, including its state. There are a few differences between the two processes which allow them to figure out which is the parent and which is the child.
The second is to exec(), which replaces the ...
How do I use vimdiff to resolve a git merge conflict?
...ou don't want the REMOTE changes. Pull changes from REMOTE if you prefer those to the LOCAL changes. Pull from BASE if you think both REMOTE and LOCAL are wrong. Do something completely different if you have a better idea! In the end, the changes you make here are the ones that will actually be comm...
What's the best way to put a c-struct in an NSArray?
...ion of "Number and Value Programming Topics": developer.apple.com/library/ios/documentation/Cocoa/Conceptual/…
– Justin Spahr-Summers
Dec 23 '10 at 22:40
...
What are the minimum margins most printers can handle?
... edited Apr 12 at 2:43
aaronsnoswell
5,41255 gold badges4141 silver badges6363 bronze badges
answered Aug 18 '10 at 15:01
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MyISAM versus InnoDB [closed]
...ional base design Yes
Summary
In almost all circumstances, InnoDB is the best way to go
But, frequent reading, almost no writing, use MyISAM
Full-text search in MySQL <= 5.5, use MyISAM
...
std::wstring VS std::string
...d 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 Linux, a wchar_t is 4 bytes, while on Windows, it's 2 bytes.
What about Unicode, then?
The ...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
... resource is anything that needs cleanup after use. Studies of projects across many platforms show the majority of bugs are related to resource management - and it's particularly bad on Windows (due to the many types of objects and allocators).
In C++, resource management is particularly complicate...
Does PHP have threading?
...
That's what I thought. I saw a bunch of older postings saying no, and nothing on php.net, so this was my thought. Thanks for confirming it.
– Thomas Owens
Oct 16 '08 at 19:00
...
A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...eturn;
// Apple recommends to refresh the receipt if validation fails on iOS
[[RMStore defaultStore] refreshReceiptOnSuccess:^{
RMAppReceipt *receipt = [RMAppReceipt bundleReceipt];
[self verifyTransaction:transaction inReceipt:receipt success:successBlock failure:failureBlock];
} failure:^...
How to make an Android Spinner with initial text “Select One”?
... overrides the Spinner view. It overrides setAdapter() to set the initial position to -1, and proxies the supplied SpinnerAdapter to display the prompt string for position less than 0.
This has been tested on Android 1.5 through 4.2, but buyer beware! Because this solution relies on reflection to c...