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Prevent wrapping of span or div
...ut a group of div elements of fixed width into a container and have the horizontal scroll bar appeared. The div / span elements should appear in a line, left to right in the order they appear in the HTML (essentially unwrapped).
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Check number of arguments passed to a Bash script
I would like my Bash script to print an error message if the required argument count is not met.
10 Answers
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How do I tell if a regular file does not exist in Bash?
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The test command ([ here) has a "not" logical operator which is the exclamation point (similar to many other languages). Try this:
if [ ! -f /tmp/foo.txt ]; then
echo "File not found!"
fi
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What is the difference between & and && in Java?
I always thought that && operator in Java is used for verifying whether both its boolean operands are true , and the & operator is used to do Bit-wise operations on two integer types.
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PHP: If internet explorer 6, 7, 8 , or 9
I want to do a conditional in PHP for the different versions of Internet Explorer along the lines of:
17 Answers
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Python's json module, converts int dictionary keys to strings
...ng collections that can bite you. JSON treats keys as strings; Python supports distinct keys differing only in type.
In Python (and apparently in Lua) the keys to a mapping (dictionary or table, respectively) are object references. In Python they must be immutable types, or they must be objects w...
Is Ruby pass by reference or by value?
@user object adds errors to the lang_errors variable in the update_lanugages method.
when I perform a save on the @user object I lose the errors that were initially stored in the lang_errors variable.
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What is the difference between save and export in Docker?
I am playing around with Docker for a couple of days and I already made some images (which was really fun!). Now I want to persist my work and came to the save and export commands, but I don't fully understand them.
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Choose Git merge strategy for specific files (“ours”, “mine”, “theirs”)
...e a few files that have merge conflicts. How can I accept "their" changes or "my" changes for specific files?
3 Answers
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Including jars in classpath on commandline (javac or apt)
...avac I am having the same issue). I think what I am getting is compile errors. (Shown at bottom).
6 Answers
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