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Invert “if” statement to reduce nesting
...
A return in the middle of the method is not necessarily bad. It might be better to return immediately if it makes the intent of the code clearer. For example:
double getPayAmount() {
double result;
if (_isDead) result = deadAmount();...
Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of
...e I've made in the past...)
Remove entire contents of artifact repo on the new build machine (or at least anything related to Maven). You mentioned doing some artifact repo cleanup but I'm not sure what directory(ies) you removed. I've run into weird issues like these when a jar was corrupted.
Mak...
Do AJAX requests retain PHP Session info?
If I had a user logged onto my site, having his id stored in $_SESSION , and from his browser he clicked a 'Save' button which would make an AJAX request to the server. Will his $_SESSION and cookies be retained in this request, and can I safely rely on the id being present in the $_SESSION ?
...
Android: I am unable to have ViewPager WRAP_CONTENT
...ht, MeasureSpec.EXACTLY);
}
// super has to be called again so the new specs are treated as exact measurements
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
This also lets you set a height on the ViewPager if you so want to or just wrap_content.
...
Django filter queryset __in for *every* item in list
...(self):
return self.name
In [2]: t1 = Tag.objects.create(name='holiday')
In [3]: t2 = Tag.objects.create(name='summer')
In [4]: p = Photo.objects.create()
In [5]: p.tags.add(t1)
In [6]: p.tags.add(t2)
In [7]: p.tags.all()
Out[7]: [<Tag: holiday>, <Tag: summer>]
Using chained f...
SQL query to find record with ID not in another table
...
Try this
SELECT ID, Name
FROM Table1
WHERE ID NOT IN (SELECT ID FROM Table2)
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What is the purpose of Flask's context stacks?
... internal redirect, which means that while processing A, Flask will make a new request to itself for resource B, and use the results of this second request as the results of the user's original request.
Are these two separate stacks, or are they both part of one stack?
They are two separate st...
Get selected value of a dropdown's item using jQuery
...gle select dom elements, to get the currently selected value:
$('#dropDownId').val();
To get the currently selected text:
$('#dropDownId :selected').text();
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jQuery & CSS - Remove/Add display:none
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To hide the div
$('.news').hide();
or
$('.news').css('display','none');
and to show the div:
$('.news').show();
or
$('.news').css('display','block');
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How do I switch between the header and implementation file in Xcode 4?
... Thank you, it was driving me nuts that I couldn't figure out the new shortcut in 4. I was so mad they changed it!
– Rob
Mar 26 '11 at 20:51
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