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Detecting an undefined object property

... if (typeof snaposhot === 'undefined') { // ^ // misspelled¹ – this will never run, but it won’t throw an error! } var foo = …; if (typeof foo === 'undefned') { // ^ // misspelled – this will never run, but it won’t throw an error! } So unless...
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String slugification in Python

I am in search of the best way to "slugify" string what "slug" is , and my current solution is based on this recipe 10 An...
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PHP: How to remove all non printable characters in a string?

...the other answers here do not take into account unicode characters (e.g. öäüßйȝîûηыეமிᚉ⠛ ). In this case you can use the following: $string = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x9F]/u', '', $string); There's a strange class of characters in the range \x80-\x9F (J...
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How to tell if browser/tab is active [duplicate]

... example is awesome. any idea about IE? – mauris Nov 19 '09 at 1:19 1 ...
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How to use if - else structure in a batch file?

...tion for doing if-else. There are lots of ways around this. Here is a few ideas, all are quite ugly but hey, this is (or at least was) DOS! @echo off set one=1 set two=2 REM Example 1 IF %one%_%two%==1_1 ( echo Example 1 fails ) ELSE IF %one%_%two%==1_2 ( echo Example 1 works correctly ) ...
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How to detect scroll position of page using jQuery

... Attaching events to window scroll is a bad idea : see stackoverflow.com/questions/5036850/… – hendr1x Jan 29 '15 at 17:12 13 ...
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How to check if a query string value is present via JavaScript?

...wered Jun 12 '14 at 8:34 HumppakäräjätHumppakäräjät 92811 gold badge1010 silver badges1616 bronze badges ...
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Formatting “yesterday's” date in python

...wered Dec 4 '18 at 12:08 Arvid BäärnhielmArvid Bäärnhielm 31222 silver badges1010 bronze badges ...
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How do I turn off Oracle password expiration?

... I will suggest its not a good idea to turn off the password expiration as it can lead to possible threats to confidentiality, integrity and availability of data. However if you want so. If you have proper access use following SQL SELECT username, ...
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MySQL: determine which database is selected?

...al table. en.wikipedia.org/wiki/DUAL_table – Jan Thomä Nov 11 '11 at 16:03 12 ...