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How to specify the order of CSS classes?
...tyle rules appear in your .css file. In your example, .basic comes after .extra so the .basic rules will take precedence wherever possible.
If you want to provide a third possibility (e.g., that it's .basic but that the .extra rules should still apply), you'll need to invent another class, .basic-...
How to trim whitespace from a Bash variable?
...ming for you. It's one command/program, no parameters, returns the trimmed string, easy as that!
Note: this doesn't remove all internal spaces so "foo bar" stays the same; it does NOT become "foobar". However, multiple spaces will be condensed to single spaces, so "foo bar" will become "foo bar"...
Add text to Existing PDF using Python
...eate a new pdf containing your text to add using ReportLab, save this as a string object
read the string object using PdfFileReader(), we'll call this text
create a new PDF object using PdfFileWriter(), we'll call this output
iterate through input and apply .mergePage(*text*.getPage(0)) for each pag...
How do I call the default deserializer from a custom deserializer in Jackson
...lizer) defaultDeserializer).resolve(ctxt);
}
public static void main(String[] args) throws JsonParseException, JsonMappingException, IOException
{
SimpleModule module = new SimpleModule();
module.setDeserializerModifier(new BeanDeserializerModifier()
{
@Override public Json...
What is the 'new' keyword in JavaScript?
...e) {
this.name = name;
}
var john = new Person('John');
However the extra benefit that ECMAScript has is you can extend with the .prototype property, so we can do something like...
Person.prototype.getName = function() { return this.name; }
All objects created from this constructor will no...
TypeError: 'str' does not support the buffer interface
...
If you use Python3x then string is not the same type as for Python 2.x, you must cast it to bytes (encode it).
plaintext = input("Please enter the text you want to compress")
filename = input("Please enter the desired filename")
with gzip.open(filen...
What is “String args[]”? parameter in main method Java
...
In Java args contains the supplied command-line arguments as an array of String objects.
In other words, if you run your program as java MyProgram one two then args will contain ["one", "two"].
If you wanted to output the contents of args, you can just loop through them like this...
public clas...
Truncate a string straight JavaScript
I'd like to truncate a dynamically loaded string using straight JavaScript. It's a url, so there are no spaces, and I obviously don't care about word boundaries, just characters.
...
Unique BooleanField value in Django?
..., self).save(*args, **kwargs)
@Ellis Percival: Hits the database only one extra time and accepts the current entry as the chosen one. Clean and elegant.
from django.db import transaction
class Character(models.Model):
name = models.CharField(max_length=255)
is_the_chosen_one = models.Bool...
Convert list to array in Java [duplicate]
...llection to an array: either using
a pre-sized array (like c.toArray(new String[c.size()])) or
using an empty array (like c.toArray(new String[0]). In
older Java versions using pre-sized array was recommended, as the
reflection call which is necessary to create an array of proper size
...