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Extract a substring from a string in Ruby using a regular expression
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135
String1.scan(/<([^>]*)>/).last.first
scan creates an array which, for each <item...
Are types like uint32, int32, uint64, int64 defined in any stdlib header?
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135
The C99 stdint.h defines these:
int8_t
int16_t
int32_t
uint8_t
uint16_t
uint32_t
And, if t...
How to output messages to the Eclipse console when developing for Android
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153
Rather than trying to output to the console, Log will output to LogCat which you can find in E...
An “and” operator for an “if” statement in Bash
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edited Nov 15 '19 at 20:51
answered Nov 16 '12 at 0:22
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have
... source_port varies to differentiate the different connections. Ports are 16-bit numbers, therefore the maximum number of connections any given client can have to any given host port is 64K.
However, multiple clients can each have up to 64K connections to some server's port, and if the server has m...
Adding a regression line on a ggplot
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178
In general, to provide your own formula you should use arguments x and y that will correspond ...
Custom HTTP Authorization Header
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133
The format defined in RFC2617 is credentials = auth-scheme #auth-param. So, in agreeing with f...
How does Amazon RDS backup/snapshot actually work?
...kes at the end of a snapshot (case in point: running a snapshot takes appx 1 hour, and in the final 5 minutes, write latency spikes). I am running a multi-AZ m1.large deployment.
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Gesture recognizer and button actions
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176
In the "shouldReceiveTouch" method you should add a condition that will return NO if the touc...
Detect Chrome extension first run / update
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176
In newer versions of Chrome (since Chrome 22), you can use the chrome.runtime.onInstalled even...