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C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
... byte accesses are atomic (although not ordered) which is why I went with "char" for my example... But I am not even 100% sure about that... If you want to suggest any good "tutorial" references I will add them to my answer
– Nemo
Jun 12 '11 at 0:39
...
When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
..., and IF statements, etc, where you need more then one step...
IF EXISTS (SELECT * FROM my_table WHERE id = @id)
BEGIN
INSERT INTO Log SELECT @id, 'deleted'
DELETE my_table WHERE id = @id
END
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How to add to the PYTHONPATH in Windows, so it finds my modules/packages?
...Explorer.
Right-click 'Computer' in the Navigation Tree Panel on the left.
Select 'Properties' at the bottom of the Context Menu.
Select 'Advanced system settings'
Click 'Environment Variables...' in the Advanced Tab
Under 'System Variables':
Add
PY_HOME
C:\Python27
PYTHONPATH
%PY_HOME%\Lib;%...
How to clone git repository with specific revision/changeset?
... git repository, aptly, clones the entire repository: there isn't a way to select only one revision to clone. However, once you perform git clone, you can checkout a specific revision by doing checkout <rev>.
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Find and replace strings in vim on multiple lines
...de (Ctrl+V)
VISUAL LINE mode (Shift+V, works best in your case)
Once you selected the lines to replace, type your command:
:s/<search_string>/<replace_string>/g
You'll note that the range '<,'> will be inserted automatically for you:
:'<,'>s/<search_string>/<re...
Create a list from two object lists with linq
...ite a lot to this:
list1.Concat(list2)
.ToLookup(p => p.Name)
.Select(g => g.Aggregate((p1, p2) => new Person
{
Name = p1.Name,
Value = p1.Value,
Change = p2.Value - p1.Value
}));
Although this won't error in the case where you have duplicate na...
Set transparent background using ImageMagick and commandline prompt
...background color. I just flood fill the background with transparency, then select the alpha channel and blur it and remove half of the blurred area using -level 50x100%. Then turn back on all the channels and flatten it against the brown color. The -blur 0x1 -level 50x100% acts to antialias the bou...
Exception thrown inside catch block - will it be caught again?
...lause of the try statement, then the first (leftmost) such catch clause is selected. The value V is assigned to the parameter of the selected catch clause, and the Block of that catch clause is executed. If that block completes normally, then the try statement completes normally; if that block compl...
Using port number in Windows host file
...do what you want with generic OS-level configuration - the browser is what selects the port to choose.
So use bookmarks or something like that.
(Some firewall/routing software might allow outbound port redirection, but that doesn't really sound like an appealing option for this.)
...
UIButton Long Press Event
...gPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)];
[self.button addGestureRecognizer:longPress];
[longPress release];
And then implement the method that handles the gesture
- (void)longPress:(UILongPressGestureRecognizer*)gesture {
if ( gesture.s...