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What is float in Java?
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Is there a way to check if a string has only float value ?
– MasterJoe
Mar 10 at 5:01
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Negation in Python
...'s) is an accident waiting to happen -- two instances of a longish literal string that presumably should be identical. And please don't retort that it's just an example -- it's a BAD example for newbies.
– John Machin
May 24 '11 at 23:01
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INSERT INTO vs SELECT INTO
... can be created: You have a small table with a varchar field. The largest string in your table now is 12 bytes. Your real data set will need up to 200 bytes. If you do SELECT INTO from your small table to make a new one, the later INSERT will fail with a truncation error because your fields are t...
Difference between map, applymap and apply methods in Pandas
...thon functions can be used, too. Suppose you wanted to compute a formatted string from each floating point value in frame. You can do this with applymap:
In [120]: format = lambda x: '%.2f' % x
In [121]: frame.applymap(format)
Out[121]:
b d e
Utah -0.03 1.08 1.28
Ohi...
Object initialization syntax
...gives you a similar syntax, but keeps things immutable:
type Person(name:string, ?birthDate) =
member x.Name = name
member x.BirthDate = defaultArg birthDate System.DateTime.MinValue
Now we can write:
let p1 = new Person(name="John", birthDate=DateTime.Now)
let p2 = new Person(name="John")
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How to serialize a JObject without the formatting?
...with LINQ to JSON (also provided by the same library). When I call the ToString() method on the JObject , it outputs the results as formatted JSON.
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Use JavaScript to place cursor at end of text in text input element
...spaces. For this you can use a huge number that should be larger than your string.
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How do I find the last occurrence of a substring in an NSString?
How would I get the last occurrence of an NSString within another NSString? For example, in "abc def ghi abc def ghi," I want to find the index of the second "abc," not the first. I know I could do this with a bunch of rangeOfStrings, but is there already a function for that?
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Django: reverse accessors for foreign keys clashing
...name of the concrete model in each one, which you can do with some special string substitution:
create_user = models.ForeignKey(User, related_name='%(class)s_requests_created')
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New Line on PHP CLI
...double quotes, not single quotes.
http://php.net/manual/en/language.types.string.php
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