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How to find memory leak in a C++ code/project?
...rt pointers (http://www.boost.org/doc/libs/1_46_1/libs/smart_ptr/smart_ptr.htm)
my personal favorite: make sure you have understood the concept of ownership of a pointer, and make sure that everywhere where you use pointers, you know which code entity is the owner
learn which constructors / assignme...
What makes Scala's operator overloading “good”, but C++'s “bad”?
...g. http://james-iry.blogspot.com/2009/03/operator-overloading-ad-absurdum.html
None-the-less, there are differences between C++'s operator overloading and Scala's flexible method naming which, IMHO, make Scala both less abusable and more abusable.
In C++ the only way to get in-fix notation is usi...
计算统计特征（正态分布）函数及实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
... 80;
map_test[2] = 10;
map_test[8] = 99;
map_test[4] = 102;
StdevInfo stdev_info;
stdev_info.init();
stdev_info.caculate_stdev_info(map_test.begin(), map_test.end(),
[](const std::pair<int, int> &pr) { return pr.second; });
//if (value > stdev_info._ave * 2) { ... }
return...
How to open every file in a folder?
.../some/path/to/file'
for filename in glob.glob(os.path.join(folder_path, '*.htm')):
with open(filename, 'r') as f:
text = f.read()
print (filename)
print (len(text))
you can choose as well '*.txt' or other ends of your filename
...
Closing WebSocket correctly (HTML5, Javascript)
I am playing around with HTML5 WebSockets. I was wondering, how do I close the connection gracefully? Like, what happens if user refreshes the page, or just closes the browser?
...
How to turn on front flash light programmatically in Android?
...e:http://developer.android.com/reference/android/content/pm/PackageManager.html for more information.
For turning on/off flashlight:
I googled out and got this about android.permission.FLASHLIGHT. Android manifests' permission looks promising:
<!-- Allows access to the flashlight -->
<...
How to check sbt version?
...it is a multi-module project for each module.
$ sbt 'inspect sbtVersion'
[info] Set current project to jacek (in build file:/Users/jacek/)
[info] Setting: java.lang.String = 0.13.1
[info] Description:
[info] Provides the version of sbt. This setting should be not be modified.
[info] Provided by:
...
What does FrameLayout do?
...u googled it?
http://www.tutorialspoint.com/android/android_frame_layout.htm
Frame Layout is designed to block out an area on the screen to display a single item. Generally, FrameLayout should be used to hold a single child view, because it can be difficult to organize child views in a way th...
How to prevent http file caching in Apache httpd (MAMP)
...developing a single page Javascript application in MAMP. My JavaScript and HTML template files are getting cached between requests.
...
C++, Free-Store vs Heap
...
See http://www.gotw.ca/gotw/009.htm; it can describe the differences between the heap and the free-store far better than I could:
Free-store:
The free store is one of the two
dynamic memory areas, allocated/freed
by new/delete. Object lifetime can...