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Difference between & and && in Java? [duplicate]
I was just wondering what the difference between & and && is?
A few days I wrote a condition for an if statement the looked something like:
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Removing nan values from an array
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TypeError: only integer scalar arrays can be converted to a scalar index
– towry
Jun 30 '18 at 14:29
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./configure : /bin/sh^M : bad interpreter [duplicate]
...mmand,
CentOS:
# yum install dos2unix*
# dos2unix filename.sh
dos2unix: converting file filename.sh to Unix format ...
Ubuntu / Debian:
# apt-get install dos2unix
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Bash script prints “Command Not Found” on empty lines
...bash if it is not /bin/bash
Try running:
dos2unix script.sh
That wil convert line endings, etc from Windows to unix format. i.e. it strips \r (CR) from line endings to change them from \r\n (CR+LF) to \n (LF).
More details about the dos2unix command (man page)
Another way to tell if your ...
What is makeinfo, and how do I get it?
...nfo File" of the Texinfo manual states that
makeinfo is a program that converts a Texinfo file into an Info file,
HTML file, or plain text.
The Texinfo home page explains that
Texinfo itself "is the official documentation format of the GNU project" and that it "uses a single source file to p...
Rails 4 LIKE query - ActiveRecord adds quotes
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When using '?' in this way in rails it is converted to a parameterized query. The data within the parameter isn't sanitized (the %) but it is impossible to change context out of the query and turn it into processed SQL statements.
– David Hoelz...
Get ID of last inserted document in a mongoDB w/ Java driver
... initializeVersionProperty(objectToSave);
maybeEmitEvent(new BeforeConvertEvent<T>(objectToSave, collectionName));
DBObject dbDoc = toDbObject(objectToSave, writer);
maybeEmitEvent(new BeforeSaveEvent<T>(objectToSave, dbDoc, collectionName));
Object id = insertDBObj...
Order a List (C#) by many fields? [duplicate]
... For example, let's suppose I have a class called X with two Attributes, A and B, and I have the following objects, in that order:
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Java Pass Method as Parameter
I am looking for a way to pass a method by reference. I understand that Java does not pass methods as parameters, however, I would like to get an alternative.
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Python String and Integer concatenation [duplicate]
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for i in range[1,10]:
string = "string" + str(i)
The str(i) function converts the integer into a string.
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