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Convert timedelta to total seconds
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If somebody still needs to be compatible with 2.6: See stackoverflow.com/questions/3318348/… for how to extend datetime.timedelta with the new method yourself.
– Uwe Geuder
Dec 16 '13 at 18:42
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System.currentTimeMillis vs System.nanoTime
...r
than approximately 292 years (263
nanoseconds) will not accurately
compute elapsed time due to numerical
overflow.
For example, to measure how long some code takes to execute:
long startTime = System.nanoTime();
// ... the code being measured ...
long estimatedTime = System.nano...
npm failed to install time with make not found error
...e you may need to install XCode. It should contain all the tools needed to compile native modules on OS X, similar to build-essential on Ubuntu.
– Chev
Dec 30 '14 at 17:56
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Create a CSS rule / class with jQuery at runtime
... and it will work just fine. Direct link to the download link: gist.github.com/gists/714352/download
– Daniel Ribeiro
Nov 25 '10 at 19:43
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NSInvocation for Dummies?
...cess a variable of some object, you are sending it a message. NSInvocation comes in handy when you want to send a message to an object at a different point in time, or send the same message several times. NSInvocation allows you to describe the message you are going to send, and then invoke it (actu...
Naming convention for unique constraint
Naming conventions are important, and primary key and foreign key have commonly used and obvious conventions ( PK_Table and FK_Table_ReferencedTable , respectively). The IX_Table_Column naming for indexes is also fairly standard.
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How to create duplicate allowed attributes
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Microsoft recommends sealing attribute classes whenever possible: msdn.microsoft.com/en-us/library/2ab31zeh.aspx
– Anton Gogolev
Feb 16 '09 at 15:11
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How can I get Knockout JS to data-bind on keypress instead of lost-focus?
...O should use to detect changes. The
following string values are the most commonly useful choices:
"change" (default) - updates your view model when the user
moves the focus to a different control, or in the case of
elements, immediately after any change
"keyup" - updates your view...
How can I alter a primary key constraint using SQL syntax?
...here to look it up (or look up and drop all at once). http://stackoverflow.com/a/13948609/945875
– Justin
Dec 19 '13 at 20:06
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How to copy directories in OS X 10.7.3?
...ails_projects to my home directory haseebjaved. When I issue the following command: cp -r ~/Desktop/rails_projects haseebjaved , the command effectively copies the three subdirectories from rails_projects to haseebjaved and makes a new folder named haseebjaved in my home directory haseebjaved. What ...