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Python list iterator behavior and next(iterator)
...nted each iteration:
>>> a = iter(list(range(10)))
>>> for i in a:
... print(i)
... next(a)
...
0
1
2
3
4
5
6
7
8
9
So 0 is the output of print(i), 1 the return value from next(), echoed by the interactive interpreter, etc. There are just 5 iterations, each iteration resu...
Create RegExps on the fly using string variables
...
There's new RegExp(string, flags) where flags are g or i. So
'GODzilla'.replace( new RegExp('god', 'i'), '' )
evaluates to
zilla
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Tips for debugging .htaccess rewrite rules
...access files. Most of these are using a shared hosting service and therefore don't have access to the root server configuration. They cannot avoid using .htaccess files for rewriting and cannot enable a RewriteLogLevel" as many respondents suggest. Also there are many .htaccess -specific pit...
How to check visibility of software keyboard in Android?
...tView.getHeight();
if (heightDiff > dpToPx(this, 200)) { // if more than 200 dp, it's probably a keyboard...
// ... do something here
}
}
});
Using a utility such as:
public static float dpToPx(Context context, float valueInDp) {
DisplayMetrics metrics = c...
How to render and append sub-views in Backbone.js
...ew();
},
render: function() {
this.$el.html(template); // or this.$el.empty() if you have no template
this.$el.append(this.inner.$el);
this.inner.render();
}
});
var InnerView = Backbone.View.extend({
render: function() {
this.$el.html(template);
...
Rails migration for change column
.../generate migration add_fieldname_to_tablename fieldname:datatype syntax for adding new columns to a model.
9 Answers
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How can I test what my readme.md file will look like before committing to github?
I am writing a readme for my github project in the .md format. Is there a way can I test what my readme.md file will look like before committing to github?
...
Variable is accessed within inner class. Needs to be declared final
I'm getting a compilation error inside of my onClick .
6 Answers
6
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Have a fixed position div that needs to scroll if content overflows
... position:fixed;
overflow-y:scroll;
overflow-x:hidden;
}
This fork of your fiddle shows my fix:
http://jsfiddle.net/strider820/84AsW/1/
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try/catch versus throws Exception
...you can't call the first method without either catching Exception yourself or declaring that your method might throw it too.
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