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How to diff one file to an arbitrary version in Git?
... that this is actually comparing the old pom.xml to the version in your working tree, not the version committed in master. If you want that, then you can do the following instead:
git diff master~20:pom.xml master:pom.xml
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SQL - HAVING vs. WHERE
...r sum, has been produced from multiple rows. Your query calls for a second kind of condition (i.e. a condition on an aggregation) hence HAVING works correctly.
As a rule of thumb, use WHERE before GROUP BY and HAVING after GROUP BY. It is a rather primitive rule, but it is useful in more than 90% o...
mongodb count num of distinct values per field/key
...command which returns an array of distinct values for a field; you can check the length of the array for a count.
There is a shell db.collection.distinct() helper as well:
> db.countries.distinct('country');
[ "Spain", "England", "France", "Australia" ]
> db.countries.distinct('country').le...
How do I serialize a C# anonymous type to a JSON string?
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Fenton
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answered Dec 1 '08 at 19:52
Nick BerardiNic...
How to filter files when using scp to copy dir recursively?
...files from server to local with all dir reserved. e.g. server:/usr/some/unknown/number/of/sub/folders/me.class will be /usr/project/backup/some/unknown/number/of/sub/folders/me.class the problem is, there are many other useless files such as .svn-base files that i don't want. how can i filter th...
throw checked Exceptions from mocks with Mockito
I'm trying to have one of my mocked objects throw a checked Exception when a particular method is called. I'm trying the following.
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INSTALL_FAILED_UPDATE_INCOMPATIBLE when I try to install compiled .apk on device
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Mustafa GüvenMustafa Güven
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Adding elements to object
I need to populate a json file, now I have something like this:
17 Answers
17
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How do I edit an existing tag message in git?
... in our git repository. The older tags have bogus messages that we would like to update to be in our new style.
10 Answers
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Image.Save(..) throws a GDI+ exception because the memory stream is closed
...you shouldn't close it. As the docs for that constructor say:
You must keep the stream open for the
lifetime of the Bitmap.
I can't find any docs promising to close the stream when you dispose the bitmap, but you should be able to verify that fairly easily.
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