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Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...ns (for most things):
$ perl -MO=Deparse -p -e 1
LINE: while (defined($_ = <ARGV>)) {
'???';
}
continue {
die "-p destination: $!\n" unless print $_;
}
-e syntax OK
1 is represented by '???', because it is optimized away.
$ perl -MO=Deparse -p -i -e 1
BEGIN { $^I = ""; }
LINE...
How to make rounded percentages add up to 100%
...sion using underscorejs:
function foo(l, target) {
var off = target - _.reduce(l, function(acc, x) { return acc + Math.round(x) }, 0);
return _.chain(l).
sortBy(function(x) { return Math.round(x) - x }).
map(function(x, i) { return Math.round(x) + (off > i) - (i &...
How to use pull to refresh in Swift?
...refresh")
refreshControl.addTarget(self, action: #selector(self.refresh(_:)), for: .valueChanged)
tableView.addSubview(refreshControl) // not required when using UITableViewController
}
@objc func refresh(_ sender: AnyObject) {
// Code to refresh table view
}
At some point you could en...
How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
...e egg under Users/$USER/.python-eggs
Step 4:
Originally required editing _mysql.c, but is now NO LONGER NECESSARY. MySQLdb community seem to have fixed this bug now.
Step 5:
Create a symbolic link under lib to point to a sub-directory called mysql. This is where it looks for during compilation.
...
How do I localize the jQuery UI Datepicker?
...ta();
$.datepicker.regional['user'] = {
monthNames: momentLocaleData._months,
monthNamesShort: momentLocaleData._monthsShort,
dayNames: momentLocaleData._weekdays,
dayNamesShort: momentLocaleData._weekdaysMin,
dayNamesMin: momentLocaleData._weekdaysMin,
firstDay: momentLoca...
Converting a view to Bitmap without displaying it in Android?
...( v.getLayoutParams().width, v.getLayoutParams().height, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(b);
v.layout(v.getLeft(), v.getTop(), v.getRight(), v.getBottom());
v.draw(c);
return b;
}
if the view wasn't displayed before the size of it will be zero. Its p...
Like Operator in Entity Framework?
...erators and MS SQL is that EF adds them as escaped parameters "Name LIKE @p__linq__1 ESCAPE N''~''" which in my very limited use case performs a lot slower then if the search string is just in the query "Name like '%xyz%'. For the scenarios I have I'm still using StartsWith and Contains but I do i...
NodeJS: How to get the server's port?
...eServer();
// Configuration
app.configure(function(){
app.set('views', __dirname + '/views');
app.use(express.bodyDecoder());
app.use(express.methodOverride());
app.use(express.compiler({ src: __dirname + '/public', enable: ['less'] }));
app.use(app.router);
app.use(express.staticProvi...
Parsing Visual Studio Solution files
... //Assembly: Microsoft.Build, Version=4.0.0.0
static readonly Type s_SolutionParser;
static readonly PropertyInfo s_SolutionParser_solutionReader;
static readonly MethodInfo s_SolutionParser_parseSolution;
static readonly PropertyInfo s_SolutionParser_projects;
static Solutio...
What is C# analog of C++ std::pair?
...ect
Here is my pair class
public class Pair<X, Y>
{
private X _x;
private Y _y;
public Pair(X first, Y second)
{
_x = first;
_y = second;
}
public X first { get { return _x; } }
public Y second { get { return _y; } }
public override bool E...