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Increment a value in Postgres
... want to take a value (which is an integer) in a field in a postgres table and increment it by one. For example if the table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total to 204?
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What's the dSYM and how to use it? (iOS SDK)
...es. I guess this is a debugging related file, but I don't know what it is, and how to use it.
2 Answers
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Identifying the dependency relationship for python packages installed with pip
...cies for packages installed by conda: e.g. in a conda env where matplotlib and numpy were installed using pip, but scipy was installed using conda, scipy shows up in the pipdeptree as having no depencies and no dependents (also pip show scipy shows no requirements).
– djvg
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Clicking the back button twice to exit an activity
I've noticed this pattern in a lot of Android apps and games recently: when clicking the back button to "exit" the application, a Toast comes up with a message similar to "Please click BACK again to exit".
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Indent starting from the second line of a paragraph with CSS
...has now been deleted, I assume you did in face mean FROM the second line - and for the sake of future visitors, perhaps this fiddle is better, where the syntax is P not div or span. jsfiddle.net/gg9Hx
– redditor
Jun 18 '13 at 1:14
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What is a WeakHashMap and when to use it? [duplicate]
What is a WeakHashMap and when should one be using it? What are the differences between a WeakHashMap and a HashMap ?
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Can regular expressions be used to match nested patterns? [duplicate]
...wn number of times? For example, can a regular expression match an opening and closing brace when there are an unknown number of open/close braces nested within the outer braces?
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How can I split up a Git commit buried in history?
I flubbed up my history and want to do some changes to it. Problem is, I have a commit with two unrelated changes, and this commit is surrounded by some other changes in my local (non-pushed) history.
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Git On Custom SSH Port
...'t do the same when doing a git clone. I am using gitolite so I clone commands look like:
4 Answers
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Visual Studio: How can I see the same file in two separate tab groups?
...you have two copies of the same file. Then you can right-click the tab bar and select New Vertical Tab Group (or New Horizontal Tab Group, the one you like more).
Hope I understood you question..
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