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vertical & horizontal lines in matplotlib
...blem for new users of Matplotlib to draw vertical and horizontal lines. In order to understand this problem, you should be aware that different coordinate systems exist in Matplotlib.
The method axhline and axvline are used to draw lines at the axes coordinate. In this coordinate system, coordinat...
Calculating the difference between two Java date instances
...SECONDS=40, MILLISECONDS=0, MICROSECONDS=0, NANOSECONDS=0}, with the units ordered.
You just have to convert that map to an user-friendly string.
Warning
The above code snippets compute a simple diff between 2 instants. It can cause problems during a daylight saving switch, like explained in th...
Java equivalent to #region in C#
...pse - can fold depending on the code types involved (constructors, imports etc.), but there's nothing quite like #region.
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Difference between null and empty (“”) Java String
...u can convert it to lower case, look up the index of some character in it, etc. The null string null is "no string at all." It doesn't have a length because it's not a string at all. Trying to apply any standard string operation to the null string will cause a NullPointerException at runtime.
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Exit single-user mode
...aced with an error message that the given database is in single user mode, etc.
– youcantryreachingme
Apr 10 '19 at 3:42
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AngularJS : Difference between the $observe and $watch methods
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Fastest way(s) to move the cursor on a terminal command line?
...line in the editor specified by $FCEDIT or $EDITOR or emacs (tried in that order).
If you ran the command earlier, hit Ctrl+r for a reverse history search and type option25 (in this case). The line will be displayed. Hit Tab to start editing at this point.
Use history expansion with the s/// modifie...
Calendar returns wrong month [duplicate]
...nths start from zero, like indexes for lists.
Therefore Jan = 0, Feb = 1, etc.
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in_array() and multidimensional array
... only work in one dimension. You'll have to create a recursive function in order to check each depth.
– metrobalderas
Nov 8 '10 at 21:44
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ASP.NET 4.5 has not been registered on the Web server
In my Win 7 development machine, and in order to use SQL Express instance instead of the localDB installed by default. I unchecked "Use IIS Express" in my MVC 4 project properties page (Web tab), then I got the following error:
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