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Return type of '?:' (ternary conditional operator)
...e as the result of this conversion would not be an lvalue.
ISO/IEC 14882:2011 references:
3.10 [basic.lval] Lvalues and rvalues (about value categories)
5.15 [expr.cond] Conditional operator (rules for what type and value category a conditional expression has)
5.17 [expr.ass] Assignment and compoun...
How can I count all the lines of code in a directory recursively?
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edited Jun 20 at 9:12
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answered Aug 31 '09 at 17:50
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Getting the name of the currently executing method
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180
Thread.currentThread().getStackTrace() will usually contain the method you’re calling it from ...
Clearing all cookies with JavaScript
...ookies() {
var cookies = document.cookie.split(";");
for (var i = 0; i < cookies.length; i++) {
var cookie = cookies[i];
var eqPos = cookie.indexOf("=");
var name = eqPos > -1 ? cookie.substr(0, eqPos) : cookie;
document.cookie = name + "=;expires=Thu, ...
git rebase, keeping track of 'local' and 'remote'
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edited Jul 20 '17 at 11:24
answered Jun 16 '10 at 9:37
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How to find if a given key exists in a C++ std::map
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edited Aug 28 '13 at 9:05
answered Dec 21 '09 at 12:58
a...
defaultdict of defaultdict?
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602
Yes like this:
defaultdict(lambda: defaultdict(int))
The argument of a defaultdict (in this ...
How can I install an older version of a package via NuGet?
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580
Try the following:
Uninstall-Package Newtonsoft.Json -Force
Followed by:
Install-Package Newton...
AngularJS For Loop with Numbers & Ranges
...turn function(input, total) {
total = parseInt(total);
for (var i=0; i<total; i++) {
input.push(i);
}
return input;
};
});
With the repeat used like this:
<div ng-repeat="n in [] | range:100">
do something
</div>
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Display image as grayscale using matplotlib
...me).convert("L")
arr = np.asarray(image)
plt.imshow(arr, cmap='gray', vmin=0, vmax=255)
plt.show()
If you want to display the inverse grayscale, switch the cmap to cmap='gray_r'.
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