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Read binary file as string in Ruby
I need an easy way to take a tar file and convert it into a string (and vice versa). Is there a way to do this in Ruby? My best attempt was this:
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User recognition without cookies or local storage
I'm building an analytic tool and I can currently get the user's IP address, browser and operating system from their user agent.
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Sublime - delete all lines containing specific value
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You can do a regular expression search-and-replace:
Click Find > Replace.
Ensure that the Regular Expression button is pressed.
For the Find What field, put:
^.*No records to send and/or not connected.*\n
Leave the Replace With field empty.
Click Replac...
Android adb “Unable to open sync connection!”
I can run and debug my Android app on my phone just fine, most of the time. Then, seemingly randomly, when I try to run or debug my app from Eclipse, the Console in Eclipse says:
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How do I read a text file of about 2 GB? [duplicate]
...the fast, smart log explorer.
I have opened log file of size around 2 GB, and the search is also very fast.
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Get yesterday's date in bash on Linux, DST-safe
I have a shell script that runs on Linux and uses this call to get yesterday's date in YYYY-MM-DD format:
10 Answers
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127 Return code from $?
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Value 127 is returned by /bin/sh when the given command is not found within your PATH system variable and it is not a built-in shell command. In other words, the system doesn't understand your command, because it doesn't know where to find the binary you're trying to call.
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Difference between java.io.PrintWriter and java.io.BufferedWriter?
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The API reference for BufferedWriter and PrintWriter detail the differences.
The main reason to use the PrintWriter is to get access to the printXXX methods like println(). You can essentially use a PrintWriter to write to a file just like you would use System...
Bash syntax error: unexpected end of file
... fi; will not... notice the little semi-colons at the end, ie: after .bash and fi.
– Emmanuel Mahuni
Aug 27 '18 at 7:51
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When is an interface with a default method initialized?
...p->local_interfaces()->at(i);
InstanceKlass* ik = InstanceKlass::cast(iface);
if (ik->has_default_methods() && ik->should_be_initialized()) {
ik->initialize(THREAD);
....
}
}
}
So this initialization has been implemented explicitly as a new Step 7.5. T...