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Setting focus on an HTML input box on page load
...ine:
<input type="password" name="PasswordInput"/>
should have an id attribute, like so:
<input type="password" name="PasswordInput" id="PasswordInput"/>
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How to append rows to an R data frame
...e approach you want to take.
Original answer
This is really not a good idea, but if you wanted to do it this way, I guess you can try:
for (i in 1:10) {
df <- rbind(df, data.frame(x = i, y = toString(i)))
}
Note that in your code, there is one other problem:
You should use stringsAsFac...
Disable mouse scroll wheel zoom on embedded Google Maps
...gt;</div>
<iframe src="https://mapsengine.google.com/map/embed?mid=some_map_id" width="640" height="480"></iframe>
</html>
In my CSS i created the class:
.overlay {
background:transparent;
position:relative;
width:640px;
height:480px; /* your iframe height ...
Fluid width with equally spaced DIVs
I have a fluid width container DIV.
7 Answers
7
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Generate random string/characters in JavaScript
...
I think this will work for you:
function makeid(length) {
var result = '';
var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
var charactersLength = characters.length;
for ( var i = 0; i < length; i++ ) ...
Convert a list of objects to an array of one of the object's properties
...
fantastic solution. I wanted to access the String "id" in my Object-List. Worked perfect List<String> somestringlist = myobjectlist.Select(x => x.id).ToList();
...
Aggregate / summarize multiple variables per group (e.g. sum, mean)
...reshape2 package for this task:
require(reshape2)
df_melt <- melt(df1, id = c("date", "year", "month"))
dcast(df_melt, year + month ~ variable, sum)
# year month x1 x2
1 2000 1 -80.83405 -224.9540159
2 2000 2 -223.76331 -288.2418017
3 2000 3 -188.83930 -481.560...
What is meant by the term “hook” in programming?
...but was unable to find a good answer. Would someone be able to give me an idea of what this term generally means and perhaps a small example to illustrate the definition?
...
How to set custom header in Volley Request
...
It looks like you override public Map<String, String> getHeaders(), defined in Request, to return your desired HTTP headers.
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How to set an iframe src attribute from a variable in AngularJS
...ction AppCtrl($scope, $sce) {
// ...
$scope.setProject = function (id) {
$scope.currentProject = $scope.projects[id];
$scope.currentProjectUrl = $sce.trustAsResourceUrl($scope.currentProject.url);
}
}
In the Template:
<iframe ng-src="{{currentProjectUrl}}"> <!--co...