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How to open a specific port such as 9090 in Google Compute Engine
...ed Jan 12 '14 at 18:54
E. AndersonE. Anderson
2,5261313 silver badges1616 bronze badges
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What is the difference between the Facade and Adapter Pattern?
I've been reading both definitions and they seem quite the same. Could anyone point out what are their differences?
16 Answ...
How to lazy load images in ListView in Android
...droid.library;
/*
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file
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regarding copyright ownership. The ASF licenses this file
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Add up a column of numbers at the Unix shell
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... | paste -sd+ - | bc
is the shortest one I've found (from the UNIX Command Line blog).
Edit: added the - argument for portability, thanks @Dogbert and @Owen.
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How to check with javascript if connection is local host?
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Uhh not sure why every one is stating this as wrong. This simple snipped works perfect for me on localhost and production. My software knows weather to serve ads - or not, with 1 simple line of code. Thanks OP.
– Andy
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super() raises “TypeError: must be type, not classobj” for new-style class
...9961/42973.
PS: The difference between a new-style class and an old-style one can also be seen with:
>>> type(OldStyle) # OldStyle creates objects but is not itself a type
classobj
>>> isinstance(OldStyle, type)
False
>>> type(int) # A new-style class is a type
type
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When should you use a class vs a struct in C++?
...y) guaranteed to be laid out as though it were a C struct. Apart from this one exception though, the only difference is as stated.
– workmad3
Sep 18 '08 at 14:22
29
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Iterating each character in a string using Python
... Pro tip: it starts from zero. If you need to start it from one: 1 t, 2 e, 3 s, 4 t use the parameter "start": for i, c in enumerate('test', start=1)
– Messa
Apr 21 '17 at 17:45
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Java Serializable Object to Byte Array
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YourObject yourObject = SerializationUtils.deserialize(data)
As mentioned, this requires Commons Lang library. It can be imported using Gradle:
compile 'org.apache.commons:commons-lang3:3.5'
Maven:
<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
<depen...
Copying files from one directory to another in Java
I want to copy files from one directory to another (subdirectory) using Java. I have a directory, dir, with text files. I iterate over the first 20 files in dir, and want to copy them to another directory in the dir directory, which I have created right before the iteration.
In the code, I want to c...