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jQuery: checking if the value of a field is null (empty)

... 31 The value of a field can not be null, it's always a string value. this isn't entirely true. I've got a select containing no options. When I...
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How do I directly modify a Google Chrome Extension File? (.CRX)

... answered Feb 12 '10 at 7:36 sathishsathish 5,85722 gold badges2727 silver badges3232 bronze badges ...
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Enabling WiFi on Android Emulator

...id emulator? I have tried to find this but everyone is confusing WiFi with 3G. 6 Answers ...
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Setting action for back button in navigation controller

... 363 Try putting this into the view controller where you want to detect the press: -(void) viewWil...
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HTTP Error 503. The service is unavailable. App pool stops on accessing website

... 317 One possible reason this might happen is that the Application Pool in IIS is configured to run...
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Python Selenium accessing HTML source

... You need to access the page_source property: from selenium import webdriver browser = webdriver.Firefox() browser.get("http://example.com") html_source = browser.page_source if "whatever" in html_source: # do something else: # do something e...
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Authoritative position of duplicate HTTP GET query keys

... 113 There is no spec on this. You may do what you like. Typical approaches include: first-given, la...
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Easiest way to check for an index or a key in an array?

... "Correct usage: exists {key} in {array}" return fi eval '[ ${'$3'[$1]+muahaha} ]' } For example if ! exists key in array; then echo "No such array element"; fi share | improve thi...
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Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]

... 137 Use Hyphens to ensure isolation between your HTML and JavaScript. Why? see below. Hyphens are...
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How do I force git to use LF instead of CR+LF under windows?

... | edited May 25 at 20:35 answered Mar 25 '10 at 16:37 V...