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Why I can't change directories using “cd”?
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Shell scripts are run inside a subshell, and each subshell has its own concept of what the current directory is. The cd succeeds, but as soon as the subshell exits, you're back in the interactive shell and nothing ever changed there.
One way to get around this is t...
img tag displays wrong orientation
...entation: from-image;
}
According to the spec as of Jan 25 2016, Firefox and iOS Safari (behind a prefix) are the only browsers that support this. I'm seeing issues with Safari and Chrome still. However, mobile Safari seems to natively support orientation without the CSS tag.
I suppose we'll have...
How do you produce a .d.ts “typings” definition file from an existing JavaScript library?
I'm using a lot of libraries both my own and 3rd party. I see the "typings" directory contains some for Jquery and WinRT... but how are they created?
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How to list variables declared in script in bash?
In my script in bash, there are lot of variables, and I have to make something to save them to file.
My question is how to list all variables declared in my script and get list like this:
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Enums and Constants. Which to use when?
I was doing some reading on enums and find them very similar to declaring constants. How would I know when to use a constant rather than an enum or vice versa. What are some of the advantages of using enums?
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detect key press in python?
I am making a stopwatch type program in python and I would like to know how to detect if a key is pressed (such as p for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while lo...
Exception messages in English?
...Message to a file. However, they are written in the culture of the client. And Turkish errors don't mean a lot to me.
16 An...
Is there a way to use shell_exec without waiting for the command to complete?
...; /dev/null 2>/dev/null &');
Note this also gets rid of the stdio and stderr.
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ContractFilter mismatch at the EndpointDispatcher exception
...ssage.
This can be because:
You have different contracts between client and sender.
You're using a different binding between client and sender.
The message security settings are not consistent between client and sender.
Have at look at the EndpointDispatcher class for more information on the su...
What is the most pythonic way to check if an object is a number?
...ts rather than what it is, perform your operations as if you have a number and use exceptions to tell you otherwise.
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