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Can comments be used in JSON?

...r supports them. JSON is used a lot for application data and configuration settings, so comments are necessary now. The "official spec" is a nice idea, but it's insufficient and obsolete, so too bad. Minify your JSON if you're concerned about payload size or performance. – Tri...
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How do I suspend painting for a control and its children?

...ontrols. After a lot of googling and reflector usage I came across the WM_SETREDRAW win32 message. This really stops controls drawing whilst you update them and can be applied, IIRC to the parent/containing panel. This is a very very simple class demonstrating how to use this message: class Draw...
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Zooming MKMapView to fit annotation pins?

... Also worth noting is that while showAnnotations sets the region to display annotations, the region still gets adjusted to match the aspect ratio; and this will frequently exclude some of the annotations. Also note that showAnnotations is the only correct solution presented...
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Vagrant stuck connection timeout retrying

...ise32. I started the machine with GUI, then ran sudo grub-mkconfig that reset the /boot/grub/grub.cfg file, and I could then comment back the vb.gui=true line. – maggix Jun 11 '14 at 21:53 ...
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Declaring variables inside or outside of a loop

...g. This is also recommended in Caliper documentation. @Param int size; // Set automatically by framework, provided in the Main /** * Variable is declared inside the loop. * * @param reps * @return */ public double timeDeclaredInside(int reps) { /* Dummy variable needed to workaround smart JVM *...
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Test if a variable is a list or tuple

... A set object is also an iterable, which means that while you can surely pop elements from it, but it does not guarantee a certain order, which is a very dangerous thing for certain algorithms. In the cases when ordering of the ...
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Why does Java's hashCode() in String use 31 as a multiplier?

...you might get WAY more collisions if you use any kind of international charset with common characters outside the ASCII range. At least, I checked this for 31 and German. So I think the choice of 31 is broken. – Hans-Peter Störr May 11 '10 at 6:58 ...
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Create Generic method constraining T to an Enum

...Add(item, Enum.GetName(typeof(T), item)); return result; } Be sure to set your language version in your C# project to version 7.3. Original Answer below: I'm late to the game, but I took it as a challenge to see how it could be done. It's not possible in C# (or VB.NET, but scroll down for F#)...
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Best timestamp format for CSV/Excel?

...y that you will see all of that precision. On my computer at work, when I set up a CSV with "yyyy-mm-dd hh:mm:ss.000" data (by hand using Notepad), I get "mm:ss.0" in the cell and "m/d/yyyy  hh:mm:ss AM/PM" in the formula bar. For maximum information[1] conveyed in the cells without human interve...
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How do I get a raw, compiled SQL query from a SQLAlchemy expression?

..., such as ints and strings, and furthermore if a bindparam() without a pre-set value is used directly, it won’t be able to stringify that either. The documentation also issues this warning: Never use this technique with string content received from untrusted input, such as from web forms o...