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How to trigger a file download when clicking an HTML button or JavaScript
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For the button you can do
<form method="get" action="file.doc">
<button type="submit">Download!</button>
</form>
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i...
How can I change IIS Express port for a site
... Project.
Navigate to the IIS Express ApplicationHost.config file. By default, this file is located in:
%userprofile%\Documents\IISExpress\config
In recent Visual Studio versions and Web Application projects, this file is in the solution folder under [Solution Dir]\.vs\config\applicationhost.confi...
How can I get clickable hyperlinks in AlertDialog from a string resource?
...plementation happily underlines and colors any hyperlinks (defined using <a href="..."> in the string resource passed to Builder.setMessage ) supplied the links do not become clickable.
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Convert data.frame column to a vector?
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So try running this sequence and maybe things will be clearer:
avector <- as.vector(aframe['a2'])
class(avector)
avector <- aframe[['a2']]
class(avector)
avector <- aframe[,2]
class(avector)
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What's the difference between Html.Label, Html.LabelFor and Html.LabelForModel
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public string Test { get; set; }
// View
@Html.Label("Test")
// Output
<label for="Test">Test</label>
Html.LabelFor gives you a label for the property represented by the provided expression (typically a model property):
// Model
public class MyModel
{
[DisplayName("A property")...
How to map a composite key with JPA and Hibernate?
...4,
“EmbeddedId Annotation”) or must be
represented and mapped to multiple
fields or properties of the entity
class (see Section 9.1.15, “IdClass
Annotation”).
If the composite primary key class is mapped to multiple fields or
properties of the entity class, the
names of prima...
Case insensitive string as HashMap key
...
Map<String, String> nodeMap =
new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
That's really all you need.
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Is it a bad practice to catch Throwable?
...ber( getUserInput() );
} catch(Throwable e) {
inputNumber = 10; //Default, user did not enter valid number
}
Now, let's say that getUserInput() blocks for a while, and another thread stops your thread in the worst possible way ( it calls thread.stop() ). Your catch block will catch a ThreadDe...
How to convert an image to base64 encoding?
...y:
$imagedata = file_get_contents("/path/to/image.jpg");
// alternatively specify an URL, if PHP settings allow
$base64 = base64_encode($imagedata);
bear in mind that this will enlarge the data by 33%, and you'll have problems with files whose size exceed your memory_limit.
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Bootstrap with jQuery Validation Plugin
...to override some plugins methods:
// override jquery validate plugin defaults
$.validator.setDefaults({
highlight: function(element) {
$(element).closest('.form-group').addClass('has-error');
},
unhighlight: function(element) {
$(element).closest('.form-group').removeCla...