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Python Empty Generator Function
...ike this solution because it's (relatively) concise, and it doesn't do any extra work like comparing to False.
– Pi Marillion
Jan 24 '16 at 2:27
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Finding the direction of scrolling in a UIScrollView?
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No need to add an extra variable to keep track of this. Just use the UIScrollView's panGestureRecognizer property like this. Unfortunately, this works only if the velocity isn't 0:
CGFloat yVelocity = [scrollView.panGestureRecognizer velocity...
JavaScript naming conventions [closed]
...ink, I can't believe a "link answer" has so many votes. You could at least extract & format the relevant parts of the linked page.
– Adrien Be
Nov 13 '14 at 9:26
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Read first N lines of a file in python
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The with statement works on Python 2.6, and requires an extra import statement on 2.5. For 2.4 or earlier, you'd need to rewrite the code with a try...except block. Stylistically, I prefer the first option, although as mentioned the second is more robust for short files.
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Change default primary key in Eloquent
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If you are wanting to use a composite key (a string)
You need to make sure you set public $incrementing = false otherwise laravel will cast the field to an Integer, giving 0
class User extends Model {
protected $primaryKey = 'my_string_key';
public $increment...
RESTful URL design for search
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For the searching, use querystrings. This is perfectly RESTful:
/cars?color=blue&type=sedan&doors=4
An advantage to regular querystrings is that they are standard and widely understood and that they can be generated from form-get.
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What can , and be used for?
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</h:dataTable>
With basically this @RequestScoped bean:
private String query;
private List<Result> results;
public void search() {
results = service.search(query);
}
Note that the <h:message> is for the <f:viewParam>, not the plain HTML <input type="text">! A...
Div height 100% and expands to fit content
...element a little bit taller than the children elements, then check for any extra spaces and/or &nbsp;, remove them. Also try to adjust the line-height. For example I've put line-height: 0, because I didn't need text, just to show an image.
– Zorgatone
Nov ...
Automatically create an Enum based on values in a database lookup table?
...t billfredtom's reasoning is, but mine was that I could avoid doing manual string-lookups for certain keys, instead having them built into my code. I just prefer to be able to perform logic on strongly-typed values instead of weak strings. A caveat would be that, since we now have code that relies ...
How do you append to a file in Python?
... "a"), that a indicates the appending the file, that means allow to insert extra data to the existing file.
You can just use this following lines to append the text in your file
def FileSave(filename,content):
with open(filename, "a") as myfile:
myfile.write(content)
FileSave("test.tx...