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Co-variant array conversion from x to y may cause run-time exception
...x(); // compile time legal, runtime exception
And in more general terms
string[] array = new string[10];
object[] objs = array; // legal at compile time
objs[0] = new Foo(); // again legal, with runtime exception
In C#, you are allowed to reference an array of objects (in your case, LinkLabels)...
JavaScript to scroll long page to DIV
...
If you don't want to add an extra extension the following code should work with jQuery.
$('a[href=#target]').
click(function(){
var target = $('a[name=target]');
if (target.length)
{
var top = target.offset().top...
What is the maximum length of a valid email address?
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An email address must not exceed 254 characters.
This was accepted by the IETF following submitted erratum. A full diagnosis of any given address is available online. The original version of RFC 3696 described 320 as the maximum length, but John Klensin subsequ...
Mean per group in a data.frame [duplicate]
... 2 67 43
Cat 3 45 32
', header = TRUE, stringsAsFactors = FALSE, na.strings = 'NA')
Rate1.mean <- with(my.data, ave(Rate1, Month, FUN = function(x) mean(x, na.rm = TRUE)))
Rate2.mean <- with(my.data, ave(Rate2, Month, FUN = function(x) mean(x, na.rm = TRUE)...
Does VBA have Dictionary Structure?
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Note that the lookup of string keys (eg. c.Item("Key2") ) in the VBA Dictionary IS hashed, but lookup by integer index (eg. c.Item(20) )is not - it's a linear for/next style search and should be avoided. Best to use collections for only string key l...
Python Create unix timestamp five minutes in the future
...tion to take place in local time? Is it the case when eg. to parse a naive string that one knows is localtime and decide whether there was DST in effect in that particular time?
– n611x007
May 8 '14 at 13:35
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Bootstrap Dropdown with Hover
...ons. Just add this and the default 'click' dropdown works on hover without extra changes.
– IamFace
Apr 13 '14 at 19:59
51
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How to add new column to MYSQL table?
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@StevenTrainor: Do not use the string in your text box as such in the SQL statement. You must make sure you escape it in order to avoid an SQL injection vulnerability.
– Costi Ciudatu
Feb 1 '14 at 21:56
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Android: TextView: Remove spacing and padding on top and bottom
...e:
android:includeFontPadding="false"
Set whether the TextView includes extra top and bottom padding to make room for accents that go above the normal ascent and descent. The default is true.
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Reading output of a command into an array in Bash
...red to be sanitized before, i.e. removing extra characters, handling empty Strings, and etc. (which is out of the topic of this thread).
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