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Create an array with same element repeated multiple times
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Array.from({length:5}).map(x => 2)
– noobninja
Jan 5 '19 at 18:07
1
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Using .NET, how can you find the mime type of a file based on the file signature not the extension
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In Urlmon.dll, there's a function called FindMimeFromData.
From the documentation
MIME type detection, or "data sniffing," refers to the process of determining an appropriate MIME type from binary data. The final result depends on a combination of server-supplied MIME...
Getting pids from ps -ef |grep keyword
...including arguments) instead of just the process name.
pgrep -f keyword
From the man page:
-f The pattern is normally only matched against the process name. When -f is set, the full command line is used.
If you really want to avoid pgrep, try:
ps -ef | awk '/[k]eyword/{print $2...
CentOS 64 bit bad ELF interpreter
....0-2.fc15.i686 : X.Org X11 SM runtime library
Repo : fedora
Matched from:
Filename : /usr/lib/libSM.so.6
In this example the name of the package is libSM and the name of the 32bit version of the package is libSM.i686.
You can then install the package to grab the requisite library using ...
Run command on the Ansible host
...ks or for some hands-on learning of Ansible.
The example of code is taken from this good article:
Running ansible playbook in localhost
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How do I get the key at a specific index from a Dictionary in Swift?
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From https://developer.apple.com/library/prerelease/ios/documentation/swift/conceptual/swift_programming_language/CollectionTypes.html:
If you need to use a dictionary’s keys or values with an API that takes an Array insta...
What is the difference between getFields and getDeclaredFields in Java reflection
...ent class, not any base classes that the current class might be inheriting from.
To get all the fields up the hierarchy, I have written the following function:
public static Iterable<Field> getFieldsUpTo(@Nonnull Class<?> startClass,
@Nullable Class&...
Can I redirect the stdout in python into some sort of string buffer?
...nt to redirect stdout to an object which I'll be able to read the output from.
9 Answers
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Getting random numbers in Java [duplicate]
...0 - 49].
int n = rand.nextInt(50);
// Add 1 to the result to get a number from the required range
// (i.e., [1 - 50]).
n += 1;
Another solution is using Math.random():
double random = Math.random() * 49 + 1;
or
int random = (int)(Math.random() * 50 + 1);
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String concatenation vs. string substitution in Python
...rflow.com/questions/1000'
>>> t1 = timeit.Timer('so_q_sub(1000)','from __main__ import so_q_sub')
>>> t2 = timeit.Timer('so_q_cat(1000)','from __main__ import so_q_cat')
>>> t1.timeit(number=10000000)
12.166618871951641
>>> t2.timeit(number=10000000)
5.78139721668...