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“find: paths must precede expression:” How do I specify a recursive search that also finds files in
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Try putting it in quotes -- you're running into the shell's wildcard expansion, so what you're acually passing to find will look like:
find . -name bobtest.c cattest.c snowtest.c
...causing the syntax error. So try this instea...
How can I replace a newline (\n) using sed?
How can I replace a newline (" \n ") with a space (" ") using the sed command?
42 Answers
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Detect URLs in text with JavaScript
...e, here and here:
...almost anything is a valid URL. There
are some punctuation rules for
splitting it up. Absent any
punctuation, you still have a valid
URL.
Check the RFC carefully and see if you
can construct an "invalid" URL. The
rules are very flexible.
For exampl...
What's the difference between django OneToOneField and ForeignKey?
...Definitive Guide to Django:
OneToOneField
A one-to-one relationship. Conceptually, this is similar to a ForeignKey with unique=True, but the "reverse" side of the relation will directly return a single object.
In contrast to the OneToOneField "reverse" relation, a ForeignKey "reverse" rel...
Regular expression to match URLs in Java
I use RegexBuddy while working with regular expressions. From its library I copied the regular expression to match URLs. I tested successfully within RegexBuddy. However, when I copied it as Java String flavor and pasted it into Java code, it does not work. The following class prints false :
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Bower and devDependencies vs dependencies
...d realized afterwards that it installs 1.0.8, I uninstalled the angular components, however the original bower.json file had angular-mocks and angular-scenario under 'devDependencies' when I re-add all the 1.2.0-rc.2 components angular-mocks and angular-scenario under dependencies instead of devDepe...
Select distinct values from a table field
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Say your model is 'Shop'
class Shop(models.Model):
street = models.CharField(max_length=150)
city = models.CharField(max_length=150)
# some of your models may have explicit ordering
class Meta:
ordering = ('city')
Since...
Align button at the bottom of div using CSS
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You can use position:absolute; to absolutely position an element within a parent div.
When using position:absolute; the element will be positioned absolutely from the first positioned parent div, if it can't find one it will position ab...
What's the difference between Html.Label, Html.LabelFor and Html.LabelForModel
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Html.Label gives you a label for an input whose name matches the specified input text (more specifically, for the model property matching the string expression):
// Model
public string Test { get; set; }
// View
@Html.Label("Test")
// Output
<label for="Tes...
How to determine the encoding of text?
...et was used. Is there a way to determine the encoding of a text file using Python? How can I detect the encoding/codepage of a text file deals with C#.
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