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How do I remove the last comma from a string using PHP?

...This doesn't work in a loop that adds a comma at the end as it will remove all the commas. – LizardKG Mar 11 at 21:35 add a comment  |  ...
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What does “:=” do?

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How to check if an object is an array?

... { Array.isArray = function(obj) { return Object.prototype.toString.call(obj) === '[object Array]'; } }; If you use jQuery you can use jQuery.isArray(obj) or $.isArray(obj). If you use underscore you can use _.isArray(obj) If you don't need to detect arrays created in different frames you...
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psql: FATAL: Ident authentication failed for user “postgres”

I have installed PostgreSQL and pgAdminIII on my Ubuntu Karmic box. 23 Answers 23 ...
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How do I display the current value of an Android Preference in the Preference summary?

...ic solution, if that suits your needs. For example, if you want to generically have all list preferences show their choice as summary, you could have this for your onSharedPreferenceChanged implementation: public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { ...
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PHP exec() vs system() vs passthru()

... They have slightly different purposes. exec() is for calling a system command, and perhaps dealing with the output yourself. system() is for executing a system command and immediately displaying the output - presumably text. passthru() is for executing a system command which...
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DateTime.ToString() format that can be used in a filename or extension?

... have a look at more examples/options here: geekzilla.co.uk/View00FF7904-B510-468C-A2C8-F859AA20581F.htm – Kristof Claes Sep 19 '12 at 17:47 1 ...
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Best way to determine user's locale within browser

... Unfortunately this header is not available for reading inside JavaScript; all you get is navigator.language, which tells you what localised version of the web browser was installed. This is not necessarily the same thing as the user's preferred language(s). On IE you instead get systemLanguage (OS ...
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关于我们 · App Inventor 2 中文网,少儿编程陪伴者

... 国内大型互联网平台资深C++架构师,酷爱编程,从业10年+ 由己及人,从教小孩编程开始,深入探索少儿编程入门最佳语言 - App Inventor 2。 由于它是国外的平台,国内受到登录限制...
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Converting an int to a binary string representation in Java?

... answered Mar 9 '10 at 3:26 JackJack 122k2727 gold badges207207 silver badges313313 bronze badges ...