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Using global variables in a function
... myGlobal inside func1() before you assign to it, you'd get an UnboundLocalError, because Python has already decided that it must be a local variable but it has not had any value associated with it yet. But by using the 'global' statement, you tell Python that it should look elsewhere for the name ...
PowerShell script to return versions of .NET Framework on a machine?
...roperty -name Version,Release -EA 0 is doing. I know -EA 0 is the same as -ErrorAction SilentlyContinue, but what effect would Get-ItemProperty -name Version,Release have when piping all the results to it? It doesn't seem to strip off any variables from the object, as others are used in later comman...
Contributing to project on github, how to “rebase my pull request on top of master”
...e another problem, when I git push origin feature I get a non-fast-forward error, failed to push etc.. Would git pull --rebase resolve this error and push to my feature branch or would this cause problems for the maintainer and others?
– fontno
Jun 19 '13 at 4:...
What Product Flavor does Android Studio build by default in build.gradle?
...t a specific Activity not in the selected variant , then I get a confusing error message saying "the activity must be exported or contain an intent-filter". The error goes away once I change the build bariant selection.
– Dagmar
Jun 26 '18 at 11:23
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Should I use Java's String.format() if performance is important?
...arking, so I did.
Results:
Benchmark Mode Cnt Score Error Units
MyBenchmark.testOld thrpt 20 9645.834 ± 238.165 ops/s // using +
MyBenchmark.testNew thrpt 20 429.898 ± 10.551 ops/s // using String.format
Units are operations per second, the more the better. ...
What is the template binding vs binding?
.... (if, for example, Padding property didn't exist, you would get a compile error. But if you were to use a binding with TemplatedParent, you would only see the error at runtime.)
It is always a one-way binding.
It requires that both the source and target properties are dependency properties.
It ha...
What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
...onor their sameness. IntelliJ IDEA highlighted deploy: ${DEPS} as a syntax error for me, but showed deploy: $(DEPS) as correct, even though both spellings have the same effect when invoked in make.
– amacleod
Jun 19 at 4:14
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git clone through ssh
...esolve hostname – git , development – Nicolas Kuttler (as that was the error I was getting, on git version 1.7.9.5), noting:
The problem with the command I used initially was that I tried to use an scp-like syntax.
... which was also my problem! So basically in git with ssh, you either use...
What does java:comp/env/ do?
I just spent too much time of my day trying to figure out some errors when hooking up some JNDI factory bean. The problem turned out to be that instead of this...
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How to keep/exclude a particular package path when using proguard?
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Android Studio 4.x will show errors like "Unresolved class name" etc. for double asterisks (**), but it will work as expected.
– Mahmudul Hasan Shohag
Aug 9 at 7:06
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