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Increment a value in Postgres
...teger) 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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I need to store postal codes in a database. How big should the column be?
...ind to have even 15 characters because it could only be less problem later if we have to adjust column length, also with right use of data types, it should not take all 15 characters anyway (possibly varchar or nvarchar or like?).
– Manohar Reddy Poreddy
Mar 8 ...
Python hashable dicts
...e syntax free lisp dialects you normally find them in). Because of this, different passes through the input might see different grammars, so cached parse results are invalid, unless I also store the current version of the grammar along with the cached parse results. ( EDIT : a consequence of this ...
facebook: permanent Page Access Token?
...all of these steps except where otherwise stated.
0. Create Facebook App
If you already have an app, skip to step 1.
Go to My Apps.
Click "+ Add a New App".
Setup a website app.
You don't need to change its permissions or anything. You just need an app that wont go away before you're done with...
How can I use map and receive an index as well in Scala?
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@ziggystar If you're looking for performance you need to trade off some immutability. Look inside the zipWithIndex function. It just uses a var to build a new collection of pairs. You could use the same method of incrementing a var with...
How to resize the AVD emulator (in Eclipse)?
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It depends, if you launch the emulator from Eclipse or the AVD Manager. Personnaly, I prefer this one because it explains the scale thing and it's from the AVD Manager
– MrBuBBLs
Nov 9 '11 at 18:28
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Remove a JSON attribute [duplicate]
if I have a JSON object say:
2 Answers
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Given an emacs command name, how would you find key-bindings ? (and vice versa)
If I know an emacs command name, says, "goto-line"; what if I want to query whether if there are any key-sequences bound to this command ?
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Change the default editor for files opened in the terminal? (e.g. set it to TextEdit/Coda/Textmate)
..."/Applications/TextEdit.app/Contents/MacOS/TextEdit\"" >> ~/.bashrc
If you are using zsh, use ~/.zshrc instead of ~/.bashrc.
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What is a “translation unit” in C++
... Including header files. Header files are processed by the compiler, even if no code is generated. See also JeffH's preprocessor comment, the definition "everything the compiler sees" is a good one.
– Marco van de Voort
Jul 9 '09 at 20:08
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