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event Action vs event EventHandler
... you don't get named parameters, so if you're passing 3 bool's an int, two string's, and a DateTime, you have no idea what the meaning of those values are. As a side note, you can still have a "Fire this event safely method while still using Action<T1, T2, T2... >".
Secondly, consistency impl...
How to use `string.startsWith()` method ignoring the case?
I want to use string.startsWith() method but ignoring the case.
8 Answers
8
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How can I repeat a character in Bash?
...e me notice a behaviour of Bash's printf: it continues to apply the format string until there are no arguments left. I had assumed it processed the format string only once!
– Jeenu
Jan 8 '15 at 10:25
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What does $_ mean in PowerShell?
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Working version with extra pipeline removed. gci | % { add-member -InputObject $_ -Type NoteProperty -Name Bar -Value $_.name -PassThru } | Select Bar
– Xalorous
Nov 23 '15 at 19:27
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Generating random numbers in Objective-C
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arc4random_stir(void);
void
arc4random_addrandom(unsigned char *dat, int datlen);
DESCRIPTION
The arc4random() function uses the key stream generator employed by the arc4 cipher, which uses 8*8 8
bit S-Boxes. The S-Boxes can be in about (2**1700) states. The arc4random(...
String.format() to format double in java
How can I use String.format(format String,X) to format a double like follows???
7 Answers
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What does asterisk * mean in Python? [duplicate]
...=%s" % (args,)
argdict = dict(a="testa", b="testb", c="testc", excessarg="string")
foo(**argdict)
Prints:
a=testa
b=testb
c=testc
args={'excessarg': 'string'}
And
def foo(a,b,c,*args):
print "a=%s" % (a,)
print "b=%s" % (b,)
print "c=%s" % (c,)
print "args=%s" % (args,)
argtu...
Dynamically Changing log4j log level
...he documentation of org.apache.log4j.xml.DOMConfigurator.configureAndWatch(String,long) for details. The default wait time between checks is 60 seconds. These changes would be persistent, since you directly change the configuration file on the filesystem. All you need to do is to invoke DOMConfigura...
PHP: Return all dates between two dates in an array [duplicate]
...eriod::EXCLUDE_START_DATE. In the end, it does not even return an array of strings (as asked). Great answer, but to the wrong question.
– Maxime
Jul 8 '13 at 16:00
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SQL select only rows with max value on a column [duplicate]
...e).
The gist of the thing is that you create a single synthetic column by string concatenating/packing the primary comparison field along with the data you want. In this way, you can force SQL's MAX() aggregate function to return all of the data (because it has been packed into a single column). ...