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For each row in an R dataframe
...I'm not sure how to write a vectorized getWellID. What I need to do right now is to dig into an existing list of lists to look it up or pull it out of a database.
– Carl Coryell-Martin
Nov 9 '09 at 23:45
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Is there a way to change the environment variables of another process in Unix?
... On some systems gdb may give the following error: 'putenv' has unknown return type; cast the call to its declared return type; in those cases you should change putenv call to this: call (int) putenv ("env_var_name=env_var_value")
– Emir Uner
Feb 20 '19...
How to add -Xlint:unchecked to my Android Gradle based project?
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For deprecation, you can now use this in gradle kotlin script, which is better than modifying compilerArgs because it's type-safe:
tasks.withType<JavaCompile> {
options.isDeprecation = true
}
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What is SuppressWarnings (“unchecked”) in Java?
...ype (this is the only thing it can verify, so it verifies only that).
But now add this line.
Integer hello = actualList.get(0);
And JVM will throw an unexpected ClassCastException, as Java compiler inserted an implicit cast.
java.lang.ClassCastException: java.base/java.lang.String cannot be cas...
How to set commands output as a variable in a batch file
...ile name, you can use your double quotes without screwing up the command.
Now if your output will contain multiple lines, you can do this
SETLOCAL ENABLEDELAYEDEXPANSION
SET count=1
FOR /F "tokens=* USEBACKQ" %%F IN (`command`) DO (
SET var!count!=%%F
SET /a count=!count!+1
)
ECHO %var1%
ECHO ...
Warning: “format not a string literal and no format arguments”
Since upgrading to the latest Xcode 3.2.1 and Snow Leopard, I've been getting the warning
11 Answers
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Is it OK to use == on enums in Java?
...hat. In particular, there is no .clone() method on an enum, so I don't know if it is possible to get an enum for which .equals() would return a different value than == .
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How can I force division to be floating point? Division keeps rounding down to 0?
... integer values a and b , but I need their ratio in floating point. I know that a < b and I want to calculate a / b , so if I use integer division I'll always get 0 with a remainder of a .
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Can't install nuget package because of “Failed to initialize the PowerShell host”
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@muflix: not possible in that case, at least I wouldn't know how. In the end it's a security issue and thus left to administrators
– Michael Sander
Apr 25 '16 at 14:24
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Compare JavaScript Array of Objects to Get Min / Max
...eturn prev[attrib] < curr[attrib] ? prev : curr;
})) || null;
}
Now you can just say:
myArray.hasMin('ID') // result: {"ID": 1, "Cost": 200}
myArray.hasMin('Cost') // result: {"ID": 3, "Cost": 50}
myEmptyArray.hasMin('ID') // result: null
Please note that if you intend to use ...