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Is std::vector copying the objects with a push_back?
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I would also note that, if you use raw pointers, you are now responsible for cleaning up after them. There's no good reason to do this (not one I can think of anyway), you should always use a smart pointer.
– Ed S.
Nov 2...
Differences between unique_ptr and shared_ptr [duplicate]
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@AaronMcDaid By default unique_ptr will behave like a raw pointer that you can't forget to delete: if you forget to make the dtor virtual, it's on you.
– curiousguy
Jun 30 '18 at 18:00
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How to configure MongoDB Java driver MongoOptions for production use?
...(WriteConcern.MAJORITY). Typicall you should set this to 1 unless you need raw performance (-1 or 0) or replicated writes (>1). Values higher than 1 have a considerable impact on write throughput.
fsync. Durability option that forces mongo to flush to disk after each write when enabled. I've neve...
Writing a dict to txt file and reading it back?
...ctionary to a txt file. Then read the dict values by typing the keys with raw_input . I feel like I am just missing one step but I have been looking for a while now.
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Is there a way to create multiline comments in Python?
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Then, you can use r'raw string' -- r'\xor' == '\\xor'.
– GingerPlusPlus
Jun 29 '16 at 14:13
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Is there a C++ gdb GUI for Linux? [closed]
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You won't find anything overlaying GDB which can compete with the raw power of the Visual Studio debugger. It's just too powerful, and it's just too well integrated inside the IDE.
For a Linux alternative, try DDD if free software is your thing.
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CGContextDrawImage draws image upside down when passed UIImage.CGImage
Does anyone know why CGContextDrawImage would be drawing my image upside down? I am loading an image in from my application:
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Further understanding setRetainInstance(true)
...r example, a configuration change. This is a lot
* easier than using the raw Activity.onRetainNonConfiguratinInstance() API.
*/
public class FragmentRetainInstance extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);...
What does the 'b' character do in front of a string literal?
...ore symbols than the b and u that do
other things?
The r prefix creates a raw string (e.g., r'\t' is a backslash + t instead of a tab), and triple quotes '''...''' or """...""" allow multi-line string literals.
share
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How to use the “number_to_currency” helper method in the model rather than view?
...ust this one thing” to a bloated model. App helpers in Rails are a junk-drawer, presenters/view-models are easier to manage. I don’t see creating the data for a report and generating the (html|pdf|csv|etc.) view of that data as a single responsibility any more than I do for, e.g., a person and a...