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How to bring back “Browser mode” in IE11?
...s Ctrl+8.
On the Document mode list under Mode, click 9.
On the User agent string list under Mode, click Internet Explorer 9.
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Assigning default value while creating migration file
...generator command either but was able to specify a default value for a new string column as follows by amending the generated migration file before applying "rake db:migrate":
class AddColumnToWidgets < ActiveRecord::Migration
def change
add_column :widgets, :colour, :string, default: 'red...
How to use classes from .jar files?
...rg.example.Classname;
public class mysource {
public static void main(String[] argv) {
......
}
}
First, as you see, in your code you have to import the classes. To do that you need import org.example.Classname;
Second, when you compile the source, you have to reference the jar file.
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How to empty (“truncate”) a file on linux that already exists and is protected in someway?
...is not need to sudo. I think the other issue is you are passing command as string argument to sh , I don't know how that is handled internally but that is another layer of complexity/redirection added
– sakhunzai
Apr 14 '14 at 5:36
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TCP: can two different sockets share a port?
...protocols as well (for example, on unix sockets, a "port" is essentially a string).
The main problem is the following: if an incoming packet arrives, the kernel can identify its socket by its destination port number. It is a most common way, but it is not the only possibility:
Sockets can be iden...
Basic example of using .ajax() with JSONP?
...ment that looks like this after it loads the data:
<script>
{['some string 1', 'some data', 'whatever data']}
</script>
However this is a bit inconvenient, because we have to fetch this array from script tag. So JSONP creators decided that this will work better (and it is):
script = ...
Run a JAR file from the command line and specify classpath
...pp is the fully qualified name of the class from the JAR that has the main(String[]) method
The jar and dependent jar should have execute permissions.
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How do I tell Maven to use the latest version of a dependency?
...sion numbers - if you do not conform to a strict pattern Maven compares as strings and not numbers.
– Thorbjørn Ravn Andersen
Feb 25 '13 at 13:19
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DLL and LIB files - what and why?
... example if you write a function that counts the number of characters in a string, that function will be useful in lots of programs. Once you get that function working correctly you don't want to have to recompile the code every time you use it, so you put the executable code for that function in a ...
Sass calculate percent minus px
... values are in variables, you may need to use interpolation turn them into strings (otherwise Sass just tries to perform arithmetic):
$a: 25%;
$b: 5px;
.foo {
width: calc(#{$a} - #{$b});
}
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