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Plotting two variables as lines using ggplot2 on the same graph
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even colour='var_names' as specified by hadley works fine. but @DaveX - would be more specific if one wants to choose specific colors rather than automatically selected colours by the function.
– I_m_LeMarque
Apr 5 '19 at 9...
Zooming MKMapView to fit annotation pins?
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@EnekoAlonso You can work around this by calling removeAnnotations(_ annotations:) immediately after showAnnotations(_ annotations:animated)
– Alain Stulz
Aug 18 '16 at 19:46
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Hiding a password in a python script (insecure obfuscation only)
... But doesn't help the fact that the script must be readable by the user running it and the password must not.
– Martin Beckett
Oct 1 '08 at 15:35
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Can someone explain the right way to use SBT?
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I don't bother checking in the IDE project files since they are generated by sbt, but there may be reasons you want to do that.
You can see an example set up like this here.
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Remove All Event Listeners of Specific Type
...sn't implemented.
The closest thing you can do is to remove all listeners by cloning the element, which will not clone the listeners collection.
Note: This will also remove listeners on element's children.
var el = document.getElementById('el-id'),
elClone = el.cloneNode(true);
el.parentNode...
How to fix the datetime2 out-of-range conversion error using DbContext and SetInitializer?
...Start is greater than or equal to SqlDateTime.MinValue (January 1, 1753) - by default Start equals DateTime.MinValue (January 1, 0001).
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How to remove k__BackingField from json when Deserialize
... can be used in serialization. Reason being the backing field is generated by compiler which can be different each time code is compiled. This can cause incompatibility issues even if no change is made to the class (just recompiling the code).
I think applying DataMember attribute will fix the issu...
How to use index in select statement?
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By using the column that the index is applied to within your conditions, it will be included automatically. You do not have to use it, but it will speed up queries when it is used.
SELECT * FROM TABLE WHERE attribute = 'valu...
Java volatile reference vs. AtomicReference
...et has the memory effects of writing (assigning) a volatile variable.
By the way, that documentation is very good and everything is explained.
AtomicReference::lazySet is a newer (Java 6+) operation introduced that has semantics unachievable through volatile variables. See this post for more...
Broadcast receiver for checking internet connection in android app
I am developing an android broadcast receiver for checking internet connection.
21 Answers
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