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“unary operator expected” error in Bash if condition
I've been trying to figure out whats wrong with this but just can't figure it out..
4 Answers
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Escape double quotes in a string
Double quotes can be escaped like this:
6 Answers
6
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Android Studio needs JDK 7 for Android-L mac
...o look how my app looks in material design and I would like to use the new cards lib.
My Problem is, that it's giving me this error within my gradle file and I need to fix that.
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How to Convert all strings in List to lower case using LINQ?
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@leppie: True, it's not - good catch. In this case, worrying about whether it is an instance method or an extension method may be a bit pedantic, but it is definitely accurate. :)
– Jason Bunting
Sep 24 '11 at 7:48
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How do I select the parent form based on which submit button is clicked?
... forms on it. Not nested, just one after the other (they are almost identical, just one hidden variable that's different). A user will only fill in one form, and I'd like to validate/etc all the forms with only one JS script.
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In Python, how do I create a string of n characters in one line of code?
... "xxxxxxxxxx"
And if you want something more complex, like n random lowercase letters, it's still only one line of code (not counting the import statements and defining n):
from random import choice
from string import ascii_lowercase
n = 10
string_val = "".join(choice(ascii_lowercase) for i in r...
How to print full stack trace in exception?
...the full exception information (including the inner stack trace) in text:
catch (MyCustomException ex)
{
Debug.WriteLine(ex.ToString());
}
Sample output:
ConsoleApplication1.MyCustomException: some message .... ---> System.Exception: Oh noes!
at ConsoleApplication1.SomeObject.OtherMeth...
How to select a node using XPath if sibling node has a specific value?
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Not sure why everybody is querying for siblings, you can also check for <bb/>-elements matching the predicate from <a/>'s predicate:
//a[bb/text() = "zz"]/cc/text()
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How does “make” app know default target to build if no target is specified?
...he default goal; to do that, it may have to process other targets - specifically, ones the first target depends on.
The GNU Make Manual covers all this stuff, and is a surprisingly easy and informative read.
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How can I make gdb save the command history?
How can I set up gdb so that it saves the command history? When starting a new gdb session I'd like to use the arrow up keys to access the commands of the previous sessions.
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