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psql: FATAL: Ident authentication failed for user “postgres”
I have installed PostgreSQL and pgAdminIII on my Ubuntu Karmic box.
23 Answers
23
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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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Finding current executable's path without /proc/self/exe
...ecutable or a name that was found using $PATH.
Some shells, including bash and ksh, set the environment variable "_" to the full path of the executable before it is executed. In that case you can use getenv("_") to get it. However this is unreliable because not all shells do this, and it could be ...
Remote debugging with Android emulator
Is it possible to write the code/compile Android application on one machine and debug it remotely on the emulator launched on another? I'm sick and tired of the emulator constantly eating half of my laptop's CPU.
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How can I have grep not print out 'No such file or directory' errors?
I'm grepping through a large pile of code managed by git, and whenever I do a grep, I see piles and piles of messages of the form:
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Print number of keys in Redis
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You can issue the INFO command, which returns information and statistics about the server. See here for an example output.
As mentioned in the comments by mVChr, you can use info keyspace directly on the redis-cli.
redis> INFO
# Server
redis_version...
What is the easiest way to make a C++ program crash?
...program that interfaces with a different crashy process (that's out of my hands). Unfortunately the program I'm interfacing with doesn't even crash reliably! So I want to make a quick C++ program that crashes on purpose but I don't actually know the best and shortest way to do that, does anyone know...
Wait for a process to finish
... solution for MacOS that does not use polling.
– Alexander Mills
Feb 28 '18 at 16:58
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setting y-axis limit in matplotlib
...rks also for me. However, another workaround can be to get the plot's axis and then change only the y-values:
x1,x2,y1,y2 = plt.axis()
plt.axis((x1,x2,25,250))
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to_string is not a member of std, says g++ (mingw)
...l vocabulary remembering program where words would would be flashed at me randomly for meanings. I want to use standard C++ library as Bjarne Stroustroup tells us, but I have encountered a seemingly strange problem right out of the gate.
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