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When should I make explicit use of the `this` pointer?
...;int> b;
b.foo();
}
If you omit this->, the compiler does not know how to treat i, since it may or may not exist in all instantiations of A. In order to tell it that i is indeed a member of A<T>, for any T, the this-> prefix is required.
Note: it is possible to still omit this-...
Ruby capitalize every word first letter
...clean your string with #downcase first before running #titleize. Of course if you do that you will wipe out any camelCased word separations:
"kirkDouglas".downcase.titleize #=> "Kirkdouglas"
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How can I Remove .DS_Store files from a Git repository?
...
.DS_Store
.DS_Store?
._*
.Spotlight-V100
.Trashes
ehthumbs.db
Thumbs.db
Now, add this file to your global git config:
git config --global core.excludesfile ~/.gitignore_global
Edit:
Removed Icons as they might need to be committed as application assets.
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Change Twitter Bootstrap Tooltip content on click
...ode. So $.tooltip(string) calls any function within the Tooltip class. And if you look at Tooltip.fixTitle, it fetches the data-original-title attribute and replaces the title value with it.
So we simply do:
$(element).tooltip('hide')
.attr('data-original-title', newValue)
.to...
Why isn't the size of an array parameter the same as within main?
...escue:
#define N_ELEMENTS(array) (sizeof(array)/sizeof((array)[0]))
So now you can do e.g:
int a[10];
...
myfunction(a, N_ELEMENTS(a));
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How do you set your pythonpath in an already-created virtualenv?
...roject.pth popd Then I deactivated my virtualenv, and reactivated. I could now run project code that required knowing where my project directory was.
– Jim DeLaHunt
Feb 11 '19 at 4:01
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Regular Expression: Any character that is NOT a letter or number
...h a space... replace with "\" followed by the character that was been identified? Like this: make this dfj,dsf7lfsd .sdklfj into this dfj\,dsf7lfsd \.sdklfj?
– CrazySpy
Nov 26 '19 at 13:52
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How do I exit a WPF application programmatically?
...he few years I've been using C# (Windows Forms), I've never used WPF. But, now I love WPF, but I don't know how I am supposed to exit my application when the user clicks on the Exit menu item from the File menu.
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How can I display a list view in an Android Alert Dialog?
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This is great, now add icons ;)
– AaA
Aug 14 '17 at 10:49
1
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CMake unable to determine linker language with C++
...d".
In my case this was due to having C++ files with the .cc extension.
If CMake is unable to determine the language of the code correctly you can use the following:
set_target_properties(hello PROPERTIES LINKER_LANGUAGE CXX)
The accepted answer that suggests appending the language to the proj...