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Asp.net - Add blank item at top of dropdownlist
...You can use AppendDataBoundItems=true to easily add:
<asp:DropDownList ID="drpList" AppendDataBoundItems="true" runat="server"><br/>
<asp:ListItem Text="" Value="" /><br/>
</asp:DropDownList>
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Instance v state variables in react.js
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In addition to what @ssorallen said, you should also remember to handle the component unmounting before your handleLeave is called.
React.createClass({
handleEnter: function () {
// Open a new one after a delay
this._timeout = setTime...
jQuery “Does not have attribute” selector?
...nding-plan-container:not([data-timestamp])')
This, by the way, is a valid Selectors API selector, so it isn't specific to jQuery. It'll work with querySelectorAll() and in your CSS (given browser support).
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Alternate background colors for list items
...d it with dynamic list-view, where data was coming from web-service, this didn't work!
– SKT
Oct 31 '12 at 15:02
2
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Why “no projects found to import”?
... If your sources and .class files are in the same directory, you probably didn't have a eclipse project.
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Java regular expression OR operator
...ng1|2", "blah"));
you get:
blah, stringblah, string3
because you've said "string1" or "2".
If you don't want to capture that part of the expression use ?::
String s = "string1, string2, string3";
System.out.println(s.replaceAll("string(?:1|2)", "blah"));
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Validating parameters to a Bash script
...mp;2 "$@"
exit 1
}
[ "$#" -eq 1 ] || die "1 argument required, $# provided"
echo $1 | grep -E -q '^[0-9]+$' || die "Numeric argument required, $1 provided"
while read dir
do
[ -d "$dir" ] || die "Directory $dir does not exist"
rm -rf "$dir"
done <<EOF
~/myfolder1/$1/anotherfolde...
How do I remove background-image in css?
...neral rule which gives all DIVs a background image.
I have one div (with id='a') which I don't want it to have the background image.
What css rule do I have to give it?
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Set element width or height in Standards Mode
Is it possible to set width or height of HTML element (ex. <div> ) in JavaScript in Standards Mode?
2 Answers
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How can strings be concatenated?
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To concatenate strings in python you use the "+" sign
ref: http://www.gidnetwork.com/b-40.html
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