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How to subtract 2 hours from user's local time?
...ursBefore.setHours(twoHoursBefore.getHours() - 2);
And don't worry about if hours you set will be out of 0..23 range.
Date() object will update the date accordingly.
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Removing non-repository files with git?
...pt when the Git configuration variable clean.requireForce is set to true. If its set to false, then -ff is needed for cleaning diretories
– Adam
Dec 24 '16 at 8:47
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matplotlib.pyplot will not forget previous plots - how can I flush/refresh?
...ly, you could do plt.cla() to just clear the current axes.
To clear a specific axes, useful when you have multiple axes within one figure, you could do for example:
fig, axes = plt.subplots(nrows=2, ncols=2)
axes[0, 1].clear()
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Adding Permissions in AndroidManifest.xml in Android Studio?
In Eclipse we were able to add permissions in AndroidManifest.xml by going to AndroidManifest.xml->Permission-> Adding permissions.
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Conversion of System.Array to List
...same dream, someone from SO told me otherwise. Hence I would like to know if it it possible to convert System.Array to List
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What does the forward slash mean in the CSS font shorthand?
...is the line height.
The syntax is based on typographical notation for specifying the respective sizes, and is only applicable to the font shorthand property. In other words, the above declaration simply expands to the following:
font-size: 12px;
line-height: 18px;
As always, if you set the line ...
OWIN Startup Class Missing
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In addition to this, if your startup class is somehow not in your default name space, add a web config line to the <appSettings> area like: <add key="owin:AppStartup" value="[NameSpace].Startup" />
– Andrew Gray...
How to implement the factory method pattern in C++ correctly
...ere are cases when
object construction is a task complex
enough to justify its extraction to
another class.
I believe this point is incorrect. The complexity doesn't really matter. The relevance is what does. If an object can be constructed in one step (not like in the builder pattern), the ...
Adding System.Web.Script reference in class library
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How to easily map c++ enums to strings
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If you want the enum names themselves as strings, see this post.
Otherwise, a std::map<MyEnum, char const*> will work nicely. (No point in copying your string literals to std::strings in the map)
For extra syntactic su...