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Separating class code into a header and cpp file
...Class goes here, full declaration AND implementation
#endif
The #ifndef etc. preprocessor definitions allow it to be used multiple times.
PS. The topic becomes clearer once you realize C/C++ is 'dumb' and #include is merely a way to say "dump this text at this spot".
...
Do sealed classes really offer performance Benefits?
...can use call instead of callvirt as it doesn't have to check for virtuals, etc. As proven above, this is not true.
My next thought was that even though the MSIL is identical, perhaps the JIT compiler treats sealed classes differently?
I ran a release build under the visual studio debugger and view...
Do HTML WebSockets maintain an open connection for each client? Does this scale?
...content type, conetent length, user-agent, server id, date, last-modified, etc. Once a WebSockets connection is established, only the data required by the application needs to be sent back and forth.
Typically, HTTP servers are configured to log the start and completion of every HTTP request taking ...
Copy constructor for a class with unique_ptr
...lt in? It would be nice to not have to create our custom copy constructors etc. for classes that uses these smart pointers, when we want the deep copy behavior, which is often the case. Just wondering.
– shadow_map
Jul 27 '16 at 5:35
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Data binding to SelectedItem in a WPF Treeview
...backing store for SelectedItem. This enables animation, styling, binding, etc...
public static readonly DependencyProperty SelectedItemProperty =
DependencyProperty.RegisterAttached("SelectedItem", typeof(object), typeof(TreeViewHelper), new UIPropertyMetadata(null, SelectedItemChanged)...
Hidden Features of VB.NET?
... it's also a great way to specify multi-line strings (hugs SQL statements, etc.).
– Heinzi
Dec 27 '09 at 19:41
Inline ...
Get content uri from file path in android
... String filePath = imageFile.getAbsolutePath();
Cursor cursor = context.getContentResolver().query(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
new String[] { MediaStore.Images.Media._ID },
MediaStore.Images.Media.DATA + "=? ",
new String[] { filePath }, null);
if (curs...
setuptools: package data folder location
...ike include a 'src' subdir inside my package dir without breaking imports, etc
– Jonathan Hartley
Mar 25 '11 at 9:43
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What is the $$hashKey added to my JSON.stringify result
... object will embed all the resource API and you'll see methods like $save, etc. With cookies too AngularJS will add a property __ngDebug.
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C read file line by line
...har * line = NULL;
size_t len = 0;
ssize_t read;
fp = fopen("/etc/motd", "r");
if (fp == NULL)
exit(EXIT_FAILURE);
while ((read = getline(&line, &len, fp)) != -1) {
printf("Retrieved line of length %zu:\n", read);
printf("%s", line);
}
f...