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How do you find the row count for all your tables in Postgres
I'm looking for a way to find the row count for all my tables in Postgres. I know I can do this one table at a time with:
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CSS '>' selector; what is it? [duplicate]
...t; does.
NOTE: The > selector is not supported by IE6. It does work in all other current browsers though, including IE7 and IE8.
If you're looking into less-well-used CSS selectors, you may also want to look at +, ~, and [attr] selectors, all of which can be very useful.
This page has a full l...
How to use JUnit and Hamcrest together?
...reMatchers . At the same time there are some other matchers in hamcrest-all-1.1.jar in org.hamcrest.Matchers . So, where to go? Shall I explicitly include hamcrest JAR into the project and ignore matchers provided by JUnit?
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How can I recover the return value of a function passed to multiprocessing.Process?
... need to know which process is returning which value. If that what you actually need to know about the process, or do you need to correlate between your list of inputs and the list of outputs? In that case, I would recommend using multiprocessing.Pool.map to process your list of work items.
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How to handle screen orientation change when progress dialog and background thread active?
...it pops up a progress dialog. The dialog is dismissed on the handler. This all works fine, except when screen orientation changes while the dialog is up (and the background thread is going). At this point the app either crashes, or deadlocks, or gets into a weird stage where the app does not work at...
Git pull without checkout?
... update an existing branch on the dev server from the github repository we all use, what would be the right way to do that? If I run the command 'git pull github branchname' will that simply pull the branch into the current branch?
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Git and nasty “error: cannot lock existing info/refs fatal”
...his answer seems to help a lot of people, I dug a little bit into what actually happens here. What this will do is remove references to remote branches in the folder .git/refs/remotes/origin. So this will not affect your local branches and it will not change anything remote, but it will update the l...
Android Studio - local path doesn't exist
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I originally saw this error after upgrading from 0.2.13 to 0.3. These instructions have been updated for the release of Android Studio 0.5.2. These are the steps I completed to resolve the issue.
1.In build.gradle make sure gradle i...
How to get the absolute coordinates of a view
...solute screen pixel coordinates of the top left corner of a view. However, all methods I can find such as getLeft() and getRight() don't work as they all seem to be relative to the parent of the view, thus giving me 0 . What is the proper way to do this?
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How do you query for “is not null” in Mongo?
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This will return all documents with a key called "IMAGE URL", but they may still have a null value.
db.mycollection.find({"IMAGE URL":{$exists:true}});
This will return all documents with both a key called "IMAGE URL" and a non-null value.
d...