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Shell script - remove first and last quote (") from a variable
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There's a simpler and more efficient way, using the native shell prefix/suffix removal feature:
temp="${opt%\"}"
temp="${temp#\"}"
echo "$temp"
${opt%\"} will remove the suffix " (escaped with a backslash to prevent shell interpretation).
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What's the u prefix in a Python string?
...s that your string is a Unicode string.
Q: I'm in a terrible, awful hurry and I landed here from Google Search. I'm trying to write this data to a file, I'm getting an error, and I need the dead simplest, probably flawed, solution this second.
A: You should really read Joel's Absolute Minimum Ever...
Status bar and navigation bar appear over my view's bounds in iOS 7
...ownloaded Xcode 5 DP to test my apps in iOS 7. The first thing I noticed and confirmed is that my view's bounds is not always resized to account for the status bar and navigation bar.
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Why does typeof array with objects return “object” and not “array”? [duplicate]
Why is an array of objects considered an object, and not an array? For example:
4 Answers
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Send message to specific client with socket.io and node.js
I'm working with socket.io and node.js and until now it seems pretty good, but I don't know how to send a message from the server to an specific client, something like this:
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Eclipse interface icons very small on high resolution screen in Windows 8.1
The various icons and buttons in the Eclipse (Kepler) interface are very, very small on a laptop with a 3200x1800px screen. The red error decoration that appears to indicate errors on files is difficult to see unless my nose a few cm from the screen.
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Can you target with css?
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BR generates a line-break and it is only a line-break. As this element has no content, there are only few styles that make sense to apply on it, like clear or position. You can set BR's border but you won't see it as it has no visual dimension.
If yo...
How was the first compiler written?
I heard about the chicken and the egg and bootstrapping. I have a few questions.
6 Answers
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What is the best workaround for the WCF client `using` block issue?
...ng my WCF service clients within a using block as it's pretty much the standard way to use resources that implement IDisposable :
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Unicode characters in URLs
...ent encoding. Modern browsers will take care of display & paste issues and make it human-readable. E. g. http://ko.wikipedia.org/wiki/위키백과:대문
Edit: when you copy such an url in Firefox, the clipboard will hold the percent-encoded form (which is usually a good thing), but if you copy...