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How to display unique records from a has_many through relationship?
...rwise you get rails ActiveRecord::StatementInvalid: PG::UndefinedFunction: ERROR: could not identify an equality operator for type json
– ryan2johnson9
Aug 8 '19 at 3:29
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How to remove all debug logging calls before building the release version of an Android app?
...during development and, in production, no debug statements are logged, but errors are silently reported to Crashlytics.
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Synchronization vs Lock
...ier to program with monitor locks, and helps avoid many common programming errors involving locks, there are occasions where you need to work with locks in a more flexible way. For example, **some algorithms* for traversing concurrently accessed data structures require the use of "hand-over-hand" or...
How to select different app.config for several build configurations
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It doesn't work : .csproj can't be opened, error message "elements outside Target elements must have : Include, Update or Remove"
– Elo
May 9 '19 at 9:39
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How do I programmatically shut down an instance of ExpressJS for testing?
...his still true? express.createServer is marks as deprecated, and gives an error saying app no longer inherits from http.js's server
– Frank Schwieterman
May 28 '13 at 21:32
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Multiple queries executed in java in single statement
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@user2428118: Reason? Any errors observed? Did you check if Driver supports this feature?
– Ravinder Reddy
Apr 24 '15 at 9:12
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Thread pooling in C++11
...s always run, waiting for job to do.
I apologize if there are some syntax errors, I typed these code and and I have a bad memory. Sorry that I cannot provide you the complete thread pool code, that would violate my job integrity.
Edit: to terminate the pool, call the shutdown() method:
XXXX::shut...
How do I pull my project from github?
...try to do git clone git@github.com:username/repo-name.git, you will see an error similar to the one below:
Cloning into 'repo-name'...
The authenticity of host 'github.com (192.30.255.112)' can't be established.
RSA key fingerprint is SHA256:nThbg6kXDoJWGl7E1IGOCspZomTxdCARLviMw6E5SY8.
Are you sure...
ScalaTest in sbt: is there a way to run a single test without tags?
...ars", "diamonds") === "I like dollars, diamonds")
}
it("throws an error if an integer argument is supplied") {
assertThrows[java.lang.IllegalArgumentException]{
CardiB.iLike()
}
}
it("does not compile with integer arguments") {
assertDoesNotCompile("""Card...
How do I append text to a file?
...d not use !! before, awesome. So often I do stuff like cat /var/log/apache/error.log and get permission denied. This could also be done with an id from the history e.g sudo !1419, this will execute the command at line 1419 in the history as sudo.
– Cyclonecode
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