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Comparing two dictionaries and checking how many (key, value) pairs are equal
... = dict(b=2,c=3, d=4)
>>> y
{'c': 3, 'b': 2, 'd': 4}
>>> zip(x.iteritems(), y.iteritems())
[(('a', 2), ('c', 3)), (('c', 3), ('b', 2)), (('b', 2), ('d', 4))]
The difference is only one item, but your algorithm will see that all items are different
...
What is a Maven artifact?
...uilding a Maven project. That could be a .jar file, or a .war file, or a .zip file, or a .dll, or what have you.
A repository manager artifact is a thing that is, well, managed by a repository manager. A repository manager is basically a highly performant naming service for software executables a...
Writing to an Excel spreadsheet
... need to group the variables together
#for n, (v_desc, v) in enumerate(zip(desc, variables)):
for n, v_desc, v in enumerate(zip(desc, variables)):
sh.write(n, 0, v_desc)
sh.write(n, 1, v)
n+=1
sh.write(n, 0, col1_name)
sh.write(n, 1, col2_name)
for m, e1 in...
Get loop count inside a Python FOR loop
...
Using zip function we can get both element and index.
countries = ['Pakistan','India','China','Russia','USA']
for index, element zip(range(0,countries),countries):
print('Index : ',index)
print(' Element : ', e...
Finding Number of Cores in Java
...urn (OS.indexOf("nix") >= 0 || OS.indexOf("nux") >= 0 || OS.indexOf("aix") > 0 );
}
public static boolean isSolaris() {
return (OS.indexOf("sunos") >= 0);
}
public static String getOS(){
if (isWindows()) {
return "win";
} else if (isMac()) {
return "osx";
...
When to catch java.lang.Error?
...at the list of errors you will see that most can be handled. For example a ZipError occurs on reading corrupt zip files.
The most common errors are OutOfMemoryError and NoClassDefFoundError, which are both in most cases runtime problems.
For example:
int length = Integer.parseInt(xyz);
byte[] buf...
Simplest way to read json from a URL in java
...ing to this free geolocator website and parsing the json and displaying my zipcode. (just put this stuff in a main method to test it out)
String sURL = "http://freegeoip.net/json/"; //just a string
// Connect to the URL using java's native library
URL url = new URL(sURL);
URLConnec...
Printing Lists as Tabular Data
...eams_list) + 1)
print(row_format.format("", *teams_list))
for team, row in zip(teams_list, data):
print(row_format.format(team, *row))
This relies on str.format() and the Format Specification Mini-Language.
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New features in java 7
...O APIs for the Java platform (NIO.2)
NIO.2 filesystem provider for zip/jar archives
SCTP (Stream Control Transmission Protocol)
SDP (Sockets Direct Protocol)
Use the Windows Vista IPv6 stack
TLS 1.2
sec Elliptic-curve cryptography (ECC)
jdbc JDBC 4.1
cl...
Version number comparison in Python
...he version lists to the corresponding length. With python 2.6 you can use izip_longest to pad the sequences.
from itertools import izip_longest
def version_cmp(v1, v2):
parts1, parts2 = [map(int, v.split('.')) for v in [v1, v2]]
parts1, parts2 = zip(*izip_longest(parts1, parts2, fillvalue=...