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How can you use an object's property in a double-quoted string?
... # yields "abc.Length"
"$($bar.Length)" # yields "3"
PowerShell only expands variables in those cases, nothing more. To force evaluation of more complex expressions, including indexes, properties or even complete calculations, you have to enclose those in the subexpression operator $( ) which cau...
How do I copy an object in Java?
... to copy the object, but don't use it. It's way too easy to create a class and do improper clone method. If you are going to do that, read at least what Joshua Bloch has to say about it in Effective Java.
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How to import and use different packages of the same name in Go language?
For example, I want to use both text/template and html/template in one source file.
But the code below throw errors.
2 Ans...
Getting the array length of a 2D array in Java
I need to get the length of a 2D array for both the row and column. I’ve successfully done this, using the following code:
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IE7 does not understand display: inline-block
... working fine but with Internet Explorer 7 its not. It seems not to understand the display: inline-block; .
4 Answers
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Unix shell script find out which directory the script file resides?
...ed to use readlink as well (see al's answer below)
– AndrewR
Mar 17 '10 at 23:26
45
In bash it is...
How can I multiply all items in a list together with Python?
I need to write a function that takes
a list of numbers and multiplies them together. Example:
[1,2,3,4,5,6] will give me 1*2*3*4*5*6 . I could really use your help.
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Why does comparing strings using either '==' or 'is' sometimes produce a different result?
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@AlexanderSupertramp, because of string interning.
– Chris Rico
Feb 1 '15 at 9:34
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Detail change after Git pull
... branches, with an asterisk by the currently checked-out one, with the command git branch. The current branch name is also printed along with the output of git status. I highly recommend skimming the man pages of commands to use - it's a great way to slowly pick up some knowledge.
And your last que...
Get first n characters of a string
...hat's the fastest way to trim a string to a specific number of characters, and append '...' if needed?
19 Answers
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