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Escape a dollar sign in string interpolation
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Just double it
scala> val name = "foo"
name: String = foo
scala> s"my.package.$name$$"
res0: String = my.package.foo$
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Is it a bad practice to use an if-statement without curly braces? [closed]
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And you should always code for maintainability. After all, I'm pretty sure the compiler doesn't care which form you use. Your coworkers, however may be pist if you introduce a bug because of a silly curly brace error.
– Esteban Araya
Jan 24...
How to redirect 'print' output to a file using python?
... will 'print' the output for each of my .bam file while I want to redirect ALL these output to one file. So I tried to put
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How to combine paths in Java?
...ubDirectory, "baz.txt");
If you want it back as a string later, you can call getPath(). Indeed, if you really wanted to mimic Path.Combine, you could just write something like:
public static String combine(String path1, String path2)
{
File file1 = new File(path1);
File file2 = new File(f...
Shell script to send email [duplicate]
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Don't forget to install the mail program first: sudo apt-get install mailutils
– Yonatan Simson
Jan 25 '17 at 16:13
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Spring Java Config: how do you create a prototype-scoped @Bean with runtime arguments?
... its BeanFactory#getBean(String name, Object... args) method which states
Allows for specifying explicit constructor arguments / factory method
arguments, overriding the specified default arguments (if any) in the
bean definition.
Parameters:
args arguments to use if creating a prototype using expl...
Creating hard and soft links using PowerShell
... Worked also on a Windows10 system.
– FooF
Feb 21 '19 at 4:09
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Convert RGBA PNG to RGB with PIL
...thod is required for the split method. And that's awesome to hear it's actually fast /and/ simple!
– Yuji 'Tomita' Tomita
Feb 27 '12 at 18:16
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MySQL Conditional Insert
... AND item = 456)
In this, dual is a table with one row only (found originally in Oracle, now in mysql too). The logic is that the SELECT statement generates a single row of data with the required values, but only when the values are not already found.
Alternatively, look at the MERGE statement.
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Controlling a USB power supply (on/off) with Linux
Is it possible to turn on/off power supplies from USB manually with Linux?
10 Answers
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