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Best way to parse command line arguments in C#? [closed]
... master), or their arguments are not flexible (i.e., doesn't support --foo 123 = --foo=123 = -f 123= -f=123 and also -v -h = -vh).
– Wernight
Nov 28 '12 at 12:13
1
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Does “\d” in regex mean a digit?
I found that in 123 , \d matches 1 and 3 but not 2 . I was wondering if \d matches a digit satisfying what kind of requirement? I am talking about Python style regex.
...
How did I get a value larger than 8 bits in size from an 8-bit integer?
...th c = c - 1 and the values remained within the range [-128 ... 127]:
c: -123
c: -124
c: -125
c: -126
c: -127
c: -128 // about to overflow
c: 127 // woop
c: 126
c: 125
c: 124
c: 123
c: 122
Freaky ey? I don't know much about what the compiler does to expressions like i++ or i--. It's likely promo...
correct way to define class variables in Python [duplicate]
...u'll see it more clearly with some code:
class MyClass:
static_elem = 123
def __init__(self):
self.object_elem = 456
c1 = MyClass()
c2 = MyClass()
# Initial values of both elements
>>> print c1.static_elem, c1.object_elem
123 456
>>> print c2.static_elem, c2.ob...
Check whether a string matches a regex in JS
...{5,})$/.test('abc12')); // true
console.log(/^([a-z0-9]{5,})$/.test('abc123')); // true
...and you could remove the () from your regexp since you've no need for a capture.
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How can Bash execute a command in a different directory context?
... Using a subshell is a much better solution
– josh123a123
Apr 19 '16 at 14:31
For scripting, a subshell is probably...
Creating anonymous objects in php
...wered Mar 29 '15 at 14:09
Rizier123Rizier123
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Facebook Post Link Image
...wered Feb 20 '14 at 11:48
Gaurav123Gaurav123
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Can I multiply strings in Java to repeat sequences? [duplicate]
...
Two ways comes to mind:
int i = 3;
String someNum = "123";
// Way 1:
char[] zeroes1 = new char[i];
Arrays.fill(zeroes1, '0');
String newNum1 = someNum + new String(zeroes1);
System.out.println(newNum1); // 123000
// Way 2:
String zeroes2 = String.format("%0" + i + "d", 0);
St...
Decimal number regular expression, where digit after decimal is optional
...pace & comments in regular expression)
For example, it will match:
123
23.45
34.
.45
-123
-273.15
-42.
-.45
+516
+9.8
+2.
+.5
And will reject these non-numbers:
. (single decimal point)
-. (negative decimal point)
+. (plus decimal point)
(empty string)
The simpler solutions can incorre...
