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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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Handle file download from ajax post
I have a javascript app that sends ajax POST requests to a certain URL. Response might be a JSON string or it might be a file (as an attachment). I can easily detect Content-Type and Content-Disposition in my ajax call, but once I detect that the response contains a file, how do I offer the client t...
How to monitor network calls made from iOS Simulator
I am trying to monitor calls from an app to my server just like Firebug does.
I could not find a way to see that in iOS Simulator or in xCode.
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Why can tuples contain mutable items?
...s inside them are mutable. The only thing that makes an object mutable is to have a method that alters its data. In general, there is no way to detect this.
Another insight is that Python's containers don't actually contain anything. Instead, they keep references to other objects. Likewise, Pyt...
C++ : why bool is 8 bits long?
... the bool type is 8 bits long (on my system), where only one bit is enough to hold the boolean value ?
6 Answers
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What is the difference between a port and a socket?
...he endpoint of a specific connection.
There can be concurrent connections to a service endpoint, because a connection is identified by both its local and remote endpoints, allowing traffic to be routed to a specific service instance.
There can only be one listener socket for a given address/port c...
Error in Swift class: Property not initialized at super.init call
...ur question:
“Swift’s compiler performs four helpful safety-checks to make sure
that two-phase initialization is completed without error:”
Safety check 1 “A designated initializer must ensure that all of the
“properties introduced by its class are initialized before it
deleg...
Why am I getting tree conflicts in Subversion?
I had a feature branch of my trunk and was merging changes from my trunk into my branch periodically and everything was working fine. Today I went to merge the branch back down into the trunk and any of the files that were added to my trunk after the creation of my branch were flagged as a "tree con...
Single script to run in both Windows batch and Linux Bash?
Is it possible to write a single script file which executes in both Windows (treated as .bat) and Linux (via Bash)?
11 Answ...
What are Maven goals and phases and what is their difference?
...e difference/relation between Maven goals and phases? How they are related to each other?
8 Answers
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