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Regex to check whether a string contains only numbers [duplicate]
I get false on both "123" and "123f" . I would like to check if the hash only contains numbers. Did I miss something?
21...
Difference between assertEquals and assertSame in phpunit?
...
Moreover,
// Passes
$this->assertSame("123.", "123.");
$this->assertEquals("123.", "123");
// Fails
$this->assertSame("123.", "123");
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What does “fragment” mean in ANTLR?
...BER will always return a NUMBER to the lexer, regardless of if it matched "1234", "0xab12", or "0777".
See item 3
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String.format() to format double in java
..."#,##0.00", decimalFormatSymbols);
System.out.println(decimalFormat.format(1237516.2548)); //1,237,516.25
Locale-based formatting is preferred, though.
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How do you round to 1 decimal place in Javascript?
...turn Math.round(value * multiplier) / multiplier;
}
... usage ...
round(12345.6789, 2) // 12345.68
round(12345.6789, 1) // 12345.7
... defaults to round to nearest whole number (precision 0) ...
round(12345.6789) // 12346
... and can be used to round to nearest 10 or 100 etc...
round(12345....
Update multiple rows in same query using PostgreSQL
...izable:
update test as t set
column_a = c.column_a
from (values
('123', 1),
('345', 2)
) as c(column_b, column_a)
where c.column_b = t.column_b;
You can add as many columns as you like:
update test as t set
column_a = c.column_a,
column_c = c.column_c
from (values
('12...
Extract digits from a string in Java
...cimal point, it removes the decimal point too. str = str.replaceAll("[^\\.0123456789]","");
– Aravindan R
Jan 10 '12 at 22:21
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How to delete last character from a string using jQuery?
How to delete last character from a string for instance in 123-4- when I delete 4 it should display 123- using jQuery .
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Best practices for API versioning? [closed]
... behave identically to all API requests):
http://shonzilla/api/customers/1234
http://shonzilla/api/v3.0/customers/1234
http://shonzilla/api/v3/customers/1234
In addition, API clients that still try to point to the old API should be informed to use the latest previous API version, if the API vers...
Python __str__ versus __unicode__
...by side with __str__.
class A :
def __init__(self) :
self.x = 123
self.y = 23.3
#def __str__(self) :
# return "STR {} {}".format( self.x , self.y)
def __unicode__(self) :
return u"UNICODE {} {}".format( self.x , self.y)
a1 = A()
a2 = A()
...