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Are there benefits of passing by pointer over passing by reference in C++?
...ary/promoted objects, nor the use of pointed object as stack-like objects. And it will suggest that the argument can be NULL when, most of the time, a NULL value should be forbidden. Read litb's answer for a complete answer.
– paercebal
Dec 3 '08 at 10:12
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Write string to output stream
...fer binary data. If you want to write a string to a stream, you must first convert it to bytes, or in other words encode it. You can do that manually (as you suggest) using the String.getBytes(Charset) method, but you should avoid the String.getBytes() method, because that uses the default encoding ...
Storing C++ template function definitions in a .CPP file
...n’t I separate the definition of my templates class from its declaration and put it inside a .cpp file?
How can I avoid linker errors with my template functions?
How does the C++ keyword export help with template linker errors?
They go into a lot of detail about these (and other) template issues...
Camera orientation issue in Android
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There are quite a few similar topics and issues around here. Since you're not writing your own camera, I think it boils down to this:
some devices rotate the image before saving it, while others simply add the orientation tag in the photo's exif data.
I'd reco...
OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
...libeasy的如下两个上层接口：
easy_session_t *easy_session_create(int64_t asize)
int easy_client_dispatch(easy_io_t *eio, easy_addr_t addr, easy_session_t *s)
首先看看session这个关键的数据结构：
#define EASY_MESSAGE_SESSION_HEADER \
easy_connection_t *c; \
e...
Python - Create a list with initial capacity
...i]= message
return result
Results. (evaluate each function 144 times and average the duration)
simple append 0.0102
pre-allocate 0.0098
Conclusion. It barely matters.
Premature optimization is the root of all evil.
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How to change color in markdown cells ipython/jupyter notebook?
...stand what you mean by 'conversion of the notebook to latex'. I am able to convert part of the text in span to latex and jupyter renders the latex in red.
– Shishir Pandey
Aug 11 '15 at 15:59
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How to delete duplicate rows in SQL Server?
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I like CTEs and ROW_NUMBER as the two combined allow us to see which rows are deleted (or updated), therefore just change the DELETE FROM CTE... to SELECT * FROM CTE:
WITH CTE AS(
SELECT [col1], [col2], [col3], [col4], [col5], [col6]...
How do I get the current GPS location programmatically in Android?
...xample source code is in Get Current Location coordinates , City name - in Android.
See how it works:
All we need to do is add this permission in the manifest file:
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
And create a LocationManager instance like this...
How to import a class from default package
I am using Eclipse 3.5 and I have created a project with some package structure along with the default package. I have one class in default package - Calculations.java and I want to make the use of that class in any of the package (for instance in com.company.calc ). When I try to make the use of...