大约有 19,000 项符合查询结果（耗时：0.0332秒） [XML]
When is std::weak_ptr useful?
...tr is a very good way to solve the dangling pointer problem. By just using raw pointers it is impossible to know if the referenced data has been deallocated or not. Instead, by letting a std::shared_ptr manage the data, and supplying std::weak_ptr to users of the data, the users can check validity o...
Why does std::getline() skip input after a formatted extraction?
...to true by this function is because the point of std::getline() is to read raw, unformatted characters into a std::basic_string<charT> object.
The Solution:
There's no way to stop this behavior of std::getline(). What you'll have to do is discard the new line yourself before std::getline() ru...
How is std::function implemented?
...(with an additional parameter that tells what to do) as to save some bytes
raw pointers are used to store the functor object, along with a function pointer in a union, so that when a function object is constructed from an function pointer, it will be stored directly in the union rather than heap spa...
Beyond Stack Sampling: C++ Profilers
... visualization has pointed out the offending function(s), jump back to the raw profile data to get better hints on what the real cause is.
The gprof2dot tool generates a dot graph description that you then feed into a graphviz tool. The output is basically a callgraph with functions color coded by ...
How to unit test an object with database queries
...aware database layer on top of that. This is the layer that holds all the raw SQL queries and other information. The rest of the application interacts with this higher-level database. I've found this to work pretty well for unit testing; I test my application pages in how they interact with the a...
What's the advantage of Logic-less template (such as mustache)?
...o in the model, it goes in the view, where it belongs. The view takes the raw model data, and massages as necessary (by annotating odd/even rows, etc.) to prepare it for presentation.
– acjay
Nov 30 '12 at 22:25
...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...
32-bit JVMs which expect to have a single large chunk of memory and use raw pointers cannot use more than 4 Gb (since that is the 32 bit limit which also applies to pointers). This includes Sun and - I'm pretty sure - also IBM implementations. I do not know if e.g. JRockit or others have a larg...
Difference between Bridge pattern and Adapter pattern
...ions of a data store: one is efficient in space, the other is efficient in raw performance... and you have a business case for offering both in your app or framework.
In terms of your question, "where I can use which pattern," the answer is, wherever it makes sense for your project! Perhaps conside...
Clean ways to write multiple 'for' loops
... your job of defining objects with clear semantics.
If you decided to use raw data like 3 dimensional arrays, just live with it, or else define a class that gives some understandable meaning to your data.
for (auto& k : A)
for (auto& i : k)
for (auto& current_A : i)
do_something_on...
Ember.js or Backbone.js for Restful backend [closed]
...t 30kb file difference doesn't seem like that big of a deal to me. Is that raw or a minified and gzipped 30k difference?
– Mauvis Ledford
Oct 22 '12 at 2:36
...