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How do I create a URL shortener?
I want to create a URL shortener service where you can write a long URL into an input field and the service shortens the URL to " http://www.example.org/abcdef ".
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SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...ing an <iframe> in my HTML page and trying to access the elements within it using Javascript, but when I try to execute my code, I get the following error:
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Split Java String by New Line
I'm trying to split text in a JTextArea using a regex to split the String by \n However, this does not work and I also tried by \r\n|\r|n and many other combination of regexes.
Code:
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Different between parseInt() and valueOf() in java?
...lueOf(String) does indeed say that the String is interpreted exactly as if it were given to Integer.parseInt(String). However, valueOf(String) returns a new Integer() object whereas parseInt(String) returns a primitive int.
If you want to enjoy the potential caching benefits of Integer.valueOf(int...
The tilde operator in Python
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It is a unary operator (taking a single argument) that is borrowed from C, where all data types are just different ways of interpreting bytes. It is the "invert" or "complement" operation, in which all the bits of the input ...
How can I connect to Android with ADB over TCP? [closed]
...connecting to the device via USB. My development server is a Windows 7 64-bit VM running in Hyper-V , and so I cannot connect directly via USB in the guest or from the host.
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How to access random item in list?
...ck a button and then randomly pick out a string from that list and display it in a messagebox.
12 Answers
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What's the difference between a Python “property” and “attribute”?
...hon encounters the following code:
spam = SomeObject()
print(spam.eggs)
it looks up eggs in spam, and then examines eggs to see if it has a __get__, __set__, or __delete__ method — if it does, it's a property. If it is a property, instead of just returning the eggs object (as it would for ...
AWK: Access captured group from line pattern
...g time ago.
Apparently the AWK regular expression engine does not capture its groups.
you might consider using something like :
perl -n -e'/test(\d+)/ && print $1'
the -n flag causes perl to loop over every line like awk does.
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Android Studio - Ambiguous method call getClass()
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I think it is a bug in Android Studio. As we know, Android Studio is based on the IntelliJ Platform and the existing functionality of IntelliJ IDEA Community Edition.
Google has developed it in cooperation with JetBrains. And same b...