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Purpose of ESI & EDI registers?
...stination Index
As others have indicated, they have special uses with the string instructions. For real mode programming, the ES segment register must be used with DI and DS with SI as in
movsb es:di, ds:si
SI and DI can also be used as general purpose index registers. For example, the C sour...
Rails: Adding an index after adding column
...g technique may be helpful:
rails generate migration AddIndexToUsers name:string:index will generate the following migration:
class AddIndexToUsers < ActiveRecord::Migration
def change
add_column :users, :name, :string
add_index :users, :name
end
end
Delete add_column line and run...
How to return a result (startActivityForResult) from a TabHost Activity?
...ode == RESULT_OK) {
Bundle res = data.getExtras();
String result = res.getString("param_result");
Log.d("FIRST", "result:"+result);
}
break;
}
}
private void finishWithResult()
{
Bundle conData = new Bundle();
conData.putString("param_...
How do I accomplish an if/else in mustache.js?
...eg:
{{isActive param}}
and in the view:
view.isActive = function (path: string){ return path === this.path ? "class='active'" : '' }
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How do I move a single folder from one Subversion repository to another repository?
...n SVN load checksum error.
So when you perform this operation, don’t do string substitutions with sed of only the path name.
Substitute “Node-path: old_path” with “Node-path: new_path”. See SVN book chapter 5 “repository administration” for more details.
...
Accessing bash command line args $@ vs $*
...
$@ is same as $*, but each parameter is a quoted string, that is, the parameters are passed on intact, without interpretation or expansion. This means, among other things, that each parameter in the argument list is seen as a separate word.
Of course, "$@" should be quoted...
What is the in a .vimrc file?
...der
To define a mapping which uses the "mapleader" variable, the special string
"<Leader>" can be used. It is replaced with the string value of "mapleader".
If "mapleader" is not set or empty, a backslash is used instead.
Example:
:map <Leader>A oanother line <Esc>
Works ...
What would be the Unicode character for big bullet in the middle of the character?
... font). Searching for “circle” finds many characters, too many, as the string appears in so many names. The largest simple circle is probably U+25CF BLACK CIRCLE “●”. If it’s too large U+26AB MEDIUM BLACK CIRCLE “⚫” might be suitable.
Beware that few fonts contain these characters...
Add subdomain to localhost URL
... - domain name
| Out-File C:\Windows\System32\drivers\etc\hosts - pipe the string to the hosts
-encoding ASCII - correct encoding
-append - append to end of file (important!)
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Android customized button; changing text color
..."));
// set button text color to be a color from your resources (could be strings.xml)
btn.setTextColor(getResources().getColor(R.color.yourColor));
// set button background colour to be green
btn.setBackgroundColor(Color.GREEN);
...