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Python read-only property
I don't know when attribute should be private and if I should use property.
10 Answers
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Reverse a string in Python
There is no built in reverse function for Python's str object. What is the best way of implementing this method?
28 Ans...
Using StringWriter for XML Serialization
I'm currently searching for an easy way to serialize objects (in C# 3).
6 Answers
6
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Replace Fragment inside a ViewPager
I'm trying to use Fragment with a ViewPager using the FragmentPagerAdapter .
What I'm looking for to achieve is to replace a fragment, positioned on the first page of the ViewPager , with another one.
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How do you validate a URL with a regular expression in Python?
I'm building an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days.
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How does a public key verify a signature?
I am trying to get a better grapple on how public/private keys work. I understand that a sender may add a digital signature to a document using his/her private key to essentially obtain a hash of the document, but what I do not understand is how the public key can be used to verify that signature.
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Select first row in each GROUP BY group?
As the title suggests, I'd like to select the first row of each set of rows grouped with a GROUP BY .
17 Answers
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Iterating over all the keys of a map
Is there a way to get a list of all the keys in a Go language map? The number of elements is given by len() , but if I have a map like:
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How to enable LogCat/Console in Eclipse for Android?
...w-> Show View -> Other -> Android-> Logcat.
Logcat is nothing but a console of your Emulator or Device.
System.out.println does not work in Android. So you have to handle every thing in Logcat. More Info Look out this Documentation.
Edit 1: System.out.println is working on Logcat. If you...
Negative matching using grep (match lines that do not contain foo)
I have been trying to work out the syntax for this command:
3 Answers
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