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Eclipse JUNO doesn't start
...mation have i lost by removing this file, and is there a way to recover it from the file?
– inor
Oct 10 '12 at 5:55
Th...
How to close activity and go back to previous activity in android
...Y_REQUEST_CODE);
Inside your called activity you can then get the Intent from the onCreate() parameter or used
getIntent();
To set return a result to activity one then in activity two do
setResult(Activity.RESULT_OK, MyIntentToReturn);
If you have no intent to return then just say
setResult...
How do I do a case-insensitive string comparison?
...d in Case Folding Properties. Therefore, the comparison may fail for words from Turkic languages that contain those letters. For example, canonical_caseless('LİMANI') == canonical_caseless('limanı') must return True, but it returns False. Currently, the only way to deal with this in Python is to w...
When should you NOT use a Rules Engine? [closed]
...
I will give 2 examples from personal experience where using a Rules Engine was a bad idea, maybe that will help:-
On a past project, I noticed that the rules files (the project used Drools) contained a lot of java code, including loops, functions...
Convert integer into its character equivalent, where 0 => a, 1 => b, etc
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Assuming you want lower case letters:
var chr = String.fromCharCode(97 + n); // where n is 0, 1, 2 ...
97 is the ASCII code for lower case 'a'. If you want uppercase letters, replace 97 with 65 (uppercase 'A'). Note that if n > 25, you will get out of the range of letters.
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Convert JSON string to dict using Python
...sn't, thanks a lot @Hussain for saving me a time, FYI, I'm trying to loads from dynamic strings with utf-8 encoding...
– Mohammed Sufian
Jul 27 '19 at 13:11
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Rails 3 - can't install pg gem
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As a note, the binary package from the Postgres site does not contain development headers or the pg_config program.
– tadman
Mar 12 '12 at 15:43
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If unit testing is so great, why aren't more companies doing it? [closed]
... they wanted to get going with "in the future"; basically when money falls from the sky.
37 Answers
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How to delete a cookie?
...Here is an implementation of a delete cookie function with unicode support from Mozilla:
function removeItem(sKey, sPath, sDomain) {
document.cookie = encodeURIComponent(sKey) +
"=; expires=Thu, 01 Jan 1970 00:00:00 GMT" +
(sDomain ? "; domain=" + sDomain :...
How to return an empty ActiveRecord relation?
...ils 4
In Rails 4, a chainable ActiveRecord::NullRelation will be returned from calls like Post.none.
Neither it, nor chained methods, will generate queries to the database.
According to the comments:
The returned ActiveRecord::NullRelation inherits from
Relation and implements the Null Obje...