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Iterate over a list of files with spaces
... This is extremely clean. And makes me feel nicer than changing IFS in conjunction with a for loop
– Derrick
Aug 18 '11 at 4:13
15
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Best practice to validate null and empty collection in Java
I want to verify whether a collection is empty and null . Could anyone please let me know the best practice.
9 Answers
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How to detect a Christmas Tree? [closed]
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I have an approach which I think is interesting and a bit different from the rest. The main difference in my approach, compared to some of the others, is in how the image segmentation step is performed--I used the DBSCAN clustering algorithm from Python's scikit-learn; it's optimize...
Check if one IEnumerable contains all elements of another IEnumerable
What is the fastest way to determine if one IEnumerable contains all the elements of another IEnumerable when comparing a field/property of each element in both collections?
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How to show “if” condition on a sequence diagram?
I was wondering, how can one represent " if " statement on a sequence diagram?
4 Answers
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How to convert a string to integer in C?
I am trying to find out if there is an alternative way of converting string to integer in C.
12 Answers
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指定组件的大小 · App Inventor 2 中文网
... component in the designer, you are typically given the opportunity to specify its height and width. There are four choices:
Automatic: Size is chosen by the system
Fill parent: Size is chosen to fill the space available.
Size specified in pixels
Size in percent of Screen (not available f...
Should you always favor xrange() over range()?
...hon 3, range() does what xrange() used to do and xrange() does not exist. If you want to write code that will run on both Python 2 and Python 3, you can't use xrange().
range() can actually be faster in some cases - eg. if iterating over the same sequence multiple times. xrange() has to reconstruc...
How to Use slideDown (or show) function on a table row?
...le rows present particular
obstacles to animation, since browsers
use different values (table-row and
block) for their visible display
property. The .hide() and .show()
methods, without animation, are always
safe to use with table rows. As of
jQuery version 1.1.3, .fadeIn() and
.fa...
How do I make a textbox that only accepts numbers?
...g the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more general solution that could work with perhaps a regular expression, or depend on the values of other controls.
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