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What is “assert” in JavaScript?
...nction someone made. You will have to look for it on your page or in your files and post it for anybody to help determine what it's doing.
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How to normalize a NumPy array to within a certain range?
...t needs to be normalized within a range before it can be written back to a file. This can be done like so:
7 Answers
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How to convert a byte array to a hex string in Java?
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Reusing a library by including an extra JAR files of several dozens kB would not exactly be efficient if all you need is this function (on some platforms like Android, the whole Jar gets included in the end application). And sometimes shorter and more clear code is bet...
Getting Git to work with a proxy server - fails with “Request timed out”
...st step of pablolic's instructions (ie adding http.proxy to the git config file). That was all it took for me.
– Simon Tewsi
Jan 11 '13 at 3:41
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How to auto-center jQuery UI dialog when resizing browser?
...alse. The code as written defaults the option to true. Put this into a .js file in your project so that your pages can leverage it.
$.ui.dialog.prototype.options.autoReposition = true;
$(window).resize(function () {
$(".ui-dialog-content:visible").each(function () {
if (...
Possible reasons for timeout when trying to access EC2 instance
...group or... Nope, just SSH into the new DNS. And update your ~/.ssh/config file if you have to!
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What is an index in SQL?
... a PRIMARY KEY which in some storage engines defines where in the database file the value is stored.
In MySQL you can use EXPLAIN in front of your SELECT statement to see if your query will make use of any index. This is a good start for troubleshooting performance problems. Read more here:
http://...
Programmatically add custom event in the iPhone Calendar
...ramework in OS 4.0.
Right click on the FrameWorks group in the Groups and Files Navigator on the left of the window. Select 'Add' then 'Existing FrameWorks' then 'EventKit.Framework'.
Then you should be able to add events with code like this:
#import "EventTestViewController.h"
#import <Event...
How can you detect the version of a browser?
...Browser detection is really just for providing customized images, download files, or instructions for individual browsers.
Further Reading
Stack Overflow - Browser detection in JavaScript?
Stack Overflow - How to detect Safari, Chrome, IE, Firefox and Opera browser?
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ORA-30926: unable to get a stable set of rows in the source tables
...em set events ‘30926 trace name errorstack off’;
and watch for .trc files in UDUMP when it occurs.
2) Having found the SQL statement, check if it is correct (perhaps using explain plan or tkprof to check the query execution plan) and analyze or compute statistics on the tables concerned if t...