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Sending a message to nil in Objective-C
... message to nil " means - let alone how it is actually useful. Taking an excerpt from the documentation:
11 Answers
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How do I retrieve an HTML element's actual width and height?
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left: 278.5,
right: 909.5,
top: 122.3,
width: 631,
x: 278.5,
y: 122.3,
}
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How to edit one specific row in Microsoft SQL Server Management Studio 2008?
... click on "Show SQL panel", modify your query with your WHERE clause, and execute the query. You'll be able to edit the results.
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Renaming a virtualenv folder without breaking it
...t move an environment around or
copy it to another computer. You can
fix up an environment to make it
relocatable with the command:
$ virtualenv --relocatable ENV
NOTE: ENV is the name of the virtual environment and you must run this from outside the ENV directory.
This will mak...
WPF: ItemsControl with scrollbar (ScrollViewer)
...n ItemsControl, and it works in Designer view, but not when I compile and execute the program (only the first few items show up, and no scrollbar to view more - even when VerticalScrollbarVisibility is set to "Visible" instead of "Auto").
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How to install a private NPM module without my own registry?
...de it.
It knows about git too:
npm install git://github.com/visionmedia/express.git
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Boolean Field in Oracle
...straint
a type of CHAR (because it uses less space than NUMBER).
Their example:
create table tbool (bool char check (bool in (0,1));
insert into tbool values(0);
insert into tbool values(1);`
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Neo4j - Cypher vs Gremlin query language
... using the REST API.
I saw that there are two options for performing complex queries - Cypher (Neo4j's query language) and Gremlin (the general purpose graph query/traversal language).
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How to delay the .keyup() handler until the user stops typing?
...ry keyup. So if someone types “Windows”, it will make a search with AJAX for every keyup: “W”, “Wi”, “Win”, “Wind”, “Windo”, “Window”, “Windows”.
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