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Setting the selected value on a Django forms.ChoiceField
...the value of initial refers to the key of the item to be selected, not its index. Took me a couple of tries to work this out!
– BigglesZX
Nov 27 '14 at 11:35
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How can I get the sha1 hash of a string in node.js?
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Good idea. Note, however, that all objects (except arrays and null) will have the same sha1sum value since Object.toString() returns [object Object] by default. So sha1sum({}) === sha1sum({"foo":"bar"}) === sha1sum({"a":1}), etc.
– m...
Preferred way to create a Scala list
...; val list = for(i <- 1 to 10) yield i
list: scala.collection.immutable.IndexedSeq[Int] = Vector(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
You probably don't even need to convert to a list in most cases :)
The indexed seq will have everything you need:
That is, you can now work on that IndexedSeq:
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Remove portion of a string after a certain character
...ich I think addresses everything below and also explains ways to deal with all kinds of things like case insensitive, multiple occurrences, and regular expressions. If anyone wants to do anything more flexible or doesn't have control over the input coming in it's probably worth checking out.
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Hashing a string with Sha256
...ich you want to do. (Presumably you want to do whichever one your friend's PHP code is doing.)
For ASCII text, Encoding.UTF8 will definitely be suitable. If you're aiming for perfect compatibility with your friend's code, even on non-ASCII inputs, you'd better try a few test cases with non-ASCII ch...
How do you use the ellipsis slicing syntax in Python?
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I find we can use a[indexes, ...] while a is a 1-dimenstional array even!
– acgtyrant
May 22 '17 at 8:14
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What's the meaning of exception code “EXC_I386_GPFLT”?
... 32- or 64-bit OS (such as loading segment registers with invalid selector index or writing to MSR's (model specific registers)).
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vim “modifiable” is off
...ot something like this:
~=+www-halo=+test=+lib=+Halo=+Return2=+HeaderTest.php=
~=+www-halo=+test=+lib=+Halo=+Service=+LandmarkTest.php=
~=+www-halo=+test=+lib=+Halo=+Transaction=+AuthnetTest.php=
Which is totally useless to you since you have a different file structure. but look for the file tha...
Max length UITextField
...e conversion from range (NSRange) to rangeOfTextToReplace (Range<String.Index>). See this video tutorial to understand why this conversion is important.
To make this code work properly, you should also set the textField's smartInsertDeleteType value to UITextSmartInsertDeleteType.no. This will...
Removing the fragment identifier from AngularJS urls (# symbol)
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I needed to put <base href="/" /> in my index.html <head> section.
– nyxz
Dec 18 '15 at 13:51
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