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How to delete all datastore in Google App Engine?
Does anyone know how to delete all datastore in Google App Engine ?
28 Answers
28
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How to define a function in ghci across multiple lines?
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GHCi now has a multiline-input mode, enabled with :set +m. For example,
Prelude> :set +m
Prelude> let fac 0 = 1
Prelude| fac n = n * fac (n-1)
Prelude|
Prelude> fac 10
3628800
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PhantomJS failing to open HTTPS site
...pdate to provide verbose SSL errors with another command line argument. I know that SSL error information is available in Qt, but most times people just suppress the errors without handling them explicitly.
– Cameron Tinker
Apr 16 '13 at 15:50
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Java: Difference between PrintStream and PrintWriter
... System.err are still input/output
streams, not readers and writers. But now the PrintStream class internally converts Unicode
characters to the default host encoding in the same way the PrintWriter does. Objects of type
PrintStream act exactly like print writers when you use the print and pri...
Programmatic equivalent of default(Type)
...oop through a Type 's properties and set certain types to their default. Now, I could do a switch on the type and set the default(Type) explicitly, but I'd rather do it in one line. Is there a programmatic equivalent of default?
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How to make an element width: 100% minus padding?
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This is why we have box-sizing in CSS.
I’ve edited your example, and now it works in Safari, Chrome, Firefox, and Opera. Check it out: http://jsfiddle.net/mathias/Bupr3/
All I added was this:
input {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: bor...
Store pictures as files or in the database for a web app?
My question is fairly generic and I know there might not be an 100% answer to it. I'm building an ASP .NET web solution that will include a lot of pictures and hopefully a fair amount of traffic. I do really want to achieve performance.
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How do I encode/decode HTML entities in Ruby?
...edited Aug 2 '16 at 13:27
Sidhannowe
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answered Nov 20 '10 at 21:59
memonk...
What is a covariant return type?
...n explicit reference to a MyFoo object will be able to invoke clone() and know (without casting) that the return value is an instance of MyFoo. Without covariant return types, the overridden method in MyFoo would have to be declared to return Object - and so calling code would have to explicitly do...
How to scroll HTML page to given anchor?
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This is a clean solution, however as of now it doesn't allow any tweaking, it does a hard scroll. There is an experimental parameter scrollIntoViewOptions that has a behavior: "smooth" option, but it is currently compatible with Firefox only.
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