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How can I generate random alphanumeric strings?
...0123456789";
return new string(Enumerable.Repeat(chars, length)
.Select(s => s[random.Next(s.Length)]).ToArray());
}
(Note: The use of the Random class makes this unsuitable for anything security related, such as creating passwords or tokens. Use the RNGCryptoServiceProvider class if ...
How to use a switch case 'or' in PHP
...le switch(), and when I'm working in a C-ish language I really miss having Select Case, which is really a shorthand way of saying "there's a big block of if, else if, else-if... here".
– Stan Rogers
Oct 9 '10 at 7:50
...
jquery's append not working with svg element?
...would not render while the D3-generated ones did! I recommend using D3: d3.select('body').append('svg').attr('width','100%');
– chharvey
Dec 15 '14 at 21:36
3
...
Design patterns or best practices for shell scripts [closed]
...NCNAME"
return 1
fi
local name=`$p_Table__mysql_exec "SELECT name FROM table WHERE id = '$id'"`
if test $? != 0 ; then
EXCEPTION=$Table__MySqlException
EXCEPTION_MSG="unable to perform select"
EXCEPTION_FUNC="$FUNCNAME"
return 1
fi
...
Is PowerShell ready to replace my Cygwin shell on Windows? [closed]
...
grep
Select-String cmdlet and -match operator work with regexes. Also you can directly make use of .NET's regex support for more advanced functionality.
sort
Sort-Object is more powerful (than I remember *nix's sort). Allowi...
How to replace list item in best way
...a", "b");
// {"b", "b", "c", "d"};
var intEnum = intArray.Select(x => x);
intEnum = intEnum.Replace(0, 1);
// {0, 0, 1, 2, 3, 4} => {1, 1, 1, 2, 3, 4}
No code duplication
There is no need to type long linq expressions
There is no need for additional usings
T...
mongodb group values by multiple fields
...urse the ability to interpolate the variable through $expr using $match to select the matching items in the "join", but the general premise is a "pipeline within a pipeline" where the inner content can be filtered by matches from the parent. Since they are both "pipelines" themselves we can $limit e...
HTML5: Slider with two inputs possible?
...s it possible to make a HTML5 slider with two input values, for example to select a price range? If so, how can it be done?
...
What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?
...h
declare @error int, @message varchar(4000), @xstate int;
select @error = ERROR_NUMBER(), @message = ERROR_MESSAGE(), @xstate = XACT_STATE();
if @xstate = -1
rollback;
if @xstate = 1 and @trancount = 0
rollback
if @xstate = 1 and @tran...
Replacing .NET WebBrowser control with a better browser, like Chrome?
...mulationCode = BrowserEmulationVersion.Version11
Else
Select Case ieVersion
Case 10
emulationCode = BrowserEmulationVersion.Version10
Case 9
emulationCode = BrowserEmulationVersion.Version9
C...