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How does zip(*[iter(s)]*n) work in Python?
How does zip(*[iter(s)]*n) work? What would it look like if it was written with more verbose code?
6 Answers
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orderBy multiple fields in Angular
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If you wants to sort on mulitple fields inside controller use this
$filter('orderBy')($scope.property_list, ['firstProp', 'secondProp']);
See also https://docs.angularjs.org/api/ng/filter/orderBy
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Suppress/ print without b' prefix for bytes in Python 3
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If the bytes use an appropriate character encoding already; you could print them directly:
sys.stdout.buffer.write(data)
or
nwritten = os.write(sys.stdout.fileno(), data) # NOTE: it may write less than len(data) bytes
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What exactly does stringstream do?
...complicated but it is quite complex. You create stringstream object ss, modify its flags, put a number into it with operator<<, and extract it via str(). I guess that operator>> could be used.
Also in this example the string buffer is hidden and not used explicitly. But it would be too ...
Create a File object in memory from a string in Java
...ethod accepts a file, there's another method nearby that accepts a stream. If this isn't the case, the API is badly coded. Otherwise, you can use temporary files, where permission is usually granted in many cases. If it's applet, you can request write permission.
An example:
try {
// Create te...
How do I check the operating system in Python?
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You can use sys.platform:
from sys import platform
if platform == "linux" or platform == "linux2":
# linux
elif platform == "darwin":
# OS X
elif platform == "win32":
# Windows...
sys.platform has finer granularity than sys.name.
For the valid values, consult t...
How do I tell Spring Boot which main class to use for the executable jar?
... <groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<mainClass>com.mycorp.starter.HelloWorldApplication</mainClass>
</configuration>
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Why is the use of alloca() not considered good practice?
...ry. Freeing of memory allocated through malloc() is a major headache and if somehow missed leads to all sorts of memory problems.
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Performing regex Queries with pymongo
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If you want to include regular expression options (such as ignore case), try this:
import re
regx = re.compile("^foo", re.IGNORECASE)
db.users.find_one({"files": regx})
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Good examples using java.util.logging [closed]
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If you're wondering where the logs go, make sure you've set up a Handler for the Logger. To simply output logs to the console, use a new ConsoleHandler, and add this to your logger using the addHandler method. Make sure you c...