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Is there a link to the “latest” jQuery library on Google APIs? [duplicate]
I use the following for a jQuery link in my <script> tags:
12 Answers
12
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What is the difference between the 'COPY' and 'ADD' commands in a Dockerfile?
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You should check the ADD and COPY documentation for a more detailed description of their behaviors, but in a nutshell, the major difference is that ADD can do more than COPY:
ADD allows <src> to be a URL
Referring to comments bellow, the ADD documentation states tha...
How to unzip a list of tuples into individual lists? [duplicate]
..., where I want to unzip this list into two independent lists. I'm looking for some standardized operation in Python.
2 Ans...
MVC DateTime binding with incorrect date format
Asp.net-MVC now allows for implicit binding of DateTime objects. I have an action along the lines of
10 Answers
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Get the first item from an iterable that matches a condition
...would like to get the first item from a list matching a condition. It's important that the resulting method not process the entire list, which could be quite large. For example, the following function is adequate:
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Is the != check thread safe?
...an test() {
return a != a;
}
may produce true. This is the bytecode for test()
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
IF_ACMPEQ L1
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as we can see it loads field a to local vars twice, it's a non-atomic op...
What's the difference between QMainWindow, QWidget and QDialog?
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A QWidget is the base class for all drawable classes in Qt. Any QWidget-based class can be shown as a window by showing it when it has no parent.
A QDialog is based on QWidget, but designed to be shown as a window. It will always appear in a window, a...
Java, List only subdirectories from a directory, not files
In Java, How do I list only subdirectories from a directory?
13 Answers
13
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Check existence of input argument in a Bash shell script
...ariable will tell you the number of input arguments the script was passed.
Or you can check if an argument is an empty string or not like:
if [ -z "$1" ]
then
echo "No argument supplied"
fi
The -z switch will test if the expansion of "$1" is a null string or not. If it is a null string then t...
Using global variables between files?
I'm bit confused about how the global variables work. I have a large project, with around 50 files, and I need to define global variables for all those files.
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