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What is the max size of localStorage values?
Since localStorage (currently) only supports strings as values, and in order to do that the objects need to be stringified (stored as JSON-string) before they can be stored, is there a defined limitation regarding the length of the values.
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Elegant way to check for missing packages and install them?
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@krlmlr Nope, because in order for the if statement to be evaluated it must first evaluate require, the side-effect of which is loading the package if it is available!
– Simon O'Hanlon
Nov 8 '13 at 23:26
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Git copy file preserving history [duplicate]
...em to work, at least not with git 2.9. I must use --follow or -C flags in order for git to trace bar to its foo origins. cp foo bar && git add bar && git commit gives the same end result without the weird history. Am I doing someting wrong?
– stefanmaric
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Do while loop in SQL Server 2008
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This seems like a copy-paste-reorder from stackoverflow.com/a/46362450/8239061.
– SecretAgentMan
Jul 11 '19 at 16:23
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Given final block not properly padded
...here:
http://www.rsa.com/products/bsafe/documentation/cryptoj35html/doc/dev_guide/group_CJ_SYM__PAD.html
(I assume you have the issue when you try to encrypt)
You can choose your padding schema when you instantiate the Cipher object. Supported values depend on the security provider you are using. ...
Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
... a more compact version of the same code. Using some ES6 tricks and higher order functions:
const names = ['Mike', 'Matt', 'Nancy', 'Adam', 'Jenny', 'Nancy', 'Carl']
const count = names =>
names.reduce((a, b) => ({ ...a,
[b]: (a[b] || 0) + 1
}), {}) // don't forget to initia...
UIView with rounded corners and drop shadow?
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The following code snippet adds a border, border radius, and drop shadow to v, a UIView:
// border radius
[v.layer setCornerRadius:30.0f];
// border
[v.layer setBorderColor:[UIColor lightGrayColor].CGColor];
[v.layer setBorderWidth:1.5f];
// drop shadow
[v....
Entity Framework vs LINQ to SQL
...sn't Entity Framework use LINQ to SQL when, say, you're writing a dbSet<Orders>.Where()...ToList() ? I think it's misleading to have Entity Framework opposed from LINQ to SQL.
– Don Cheadle
Jun 7 '16 at 19:13
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What does iterator->second mean?
...lue" would have been more intuitive than "first" and "second", which imply ordering.
– ahoffer
Sep 5 '18 at 17:16
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Why does Java's hashCode() in String use 31 as a multiplier?
...cation to be key.hashCode() ^ value.hashCode() despite it is not even an unordered pair, as key and value have entirely different meaning. Yes, that implies that Map.of(42, 42).hashCode() or Map.of("foo", "foo", "bar", "bar").hashCode(), etc, are predictably zero. So don’t use maps as keys for oth...