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Static function variables in Swift
...the natural evolution of programming. Trying to code in old fashion ways requires hacks. In my opinion, adding an extra nested data type as opposed to utilising variable capturing reduces code readability.
– nstein
Jul 25 '16 at 12:07
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Why do C++ libraries and frameworks never use smart pointers?
...<typename T>
struct Pointer {
#ifdef <Cpp11>
typedef std::unique_ptr<T> type;
#else
typedef T* type;
#endif
};
And in your code use it as:
Pointer<int>::type p;
For those who say that a smart pointer and a raw pointer are different, I agree with that. The code above ...
How to implement my very own URI scheme on Android
...ould be anything), and made sure to add the DEFAULT category (as this is required for all implicit intents). Also notice how I added the category BROWSABLE - this is not necessary, but it will allow your URIs to be openable from the browser (a nifty feature).
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Checking for a dirty index or untracked files with Git
...ository has staged changes (not yet committed) use this:
git diff-index --quiet --cached HEAD --
If it exits with 0 then there were no differences (1 means there were differences).
To check whether a working tree has changes that could be staged:
git diff-files --quiet
The exit code is the...
Python constructors and __init__
...e new method, rendering the first method inaccessible.
As to your general question about constructors, Wikipedia is a good starting point. For Python-specific stuff, I highly recommend the Python docs.
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Select by partial string from a pandas DataFrame
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Is it possible to convert .str.contains to use .query() api?
– zyxue
Mar 1 '17 at 17:25
3
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In WPF, what are the differences between the x:Name and Name attributes?
... create fields.
Whether you should use one or the other is really a style question, not a technical one. I will leave that to others for a recommendation.
See also AutomationProperties.Name VS x:Name, AutomationProperties.Name is used by accessibility tools and some testing tools.
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What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
... answered Nov 6 '18 at 11:52
Mr.QMr.Q
2,93933 gold badges3030 silver badges3434 bronze badges
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Specifying and saving a figure with exact size in pixels
...at large, so you won't be able to show a figure of that size (matplotlib requires the figure to fit in the screen, if you ask for a size too large it will shrink to the screen size). Let's imagine you want an 800x800 pixel image just for an example. Here's how to show an 800x800 pixel image in my mo...
Is an array name a pointer?
...as arr[1] */
/* arr not used as value */
size_t bytes = sizeof arr;
void *q = &arr; /* void pointers are compatible with pointers to any object */
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