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jQuery hasAttr checking to see if there is an attribute on an element [duplicate]

...is).attr('name') ) != 'undefined' ) { // ... } since undefined can actually be redefined using a simple: undefined = 1 – Shane Tomlinson Nov 22 '10 at 12:34 7 ...
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Select multiple images from android gallery

So basically what i am trying to achieve is opening the Gallery in Android and let the user select multiple images . Now this question has been asked frequently but i'm not satisfied with the answers. Mainly because i found something interesting in de docs in my IDE (i come back on this later) ...
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How can you iterate over the elements of an std::tuple?

...rloads for every type the tuple might contain. This works best if you know all the tuple elements will share a common base class or something similar. share | improve this answer | ...
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How to set timeout for http.Get() requests in Golang?

...ontext.WithTimeout(context.Background(), time.Second*3) defer cncl() req, _ := http.NewRequestWithContext(ctx, http.MethodGet, "https://google.com", nil) resp, _ := http.DefaultClient.Do(req) share | ...
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Android list view inside a scroll view

...id:layout_marginTop="8dp" android:text="This textview automatically goes below the Recycler View." android:textSize="16sp" /> </androidx.appcompat.widget.LinearLayoutCompat> </androidx.core.widget.NestedScrollView> Now you can get rid of all the ugly hacks...
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Split comma-separated strings in a column into separate rows

...solution, and two additional variants of Jaap's data.table methods. Overall 8 different methods were benchmarked on 6 different sizes of data frames using the microbenchmark package (see code below). The sample data given by the OP consists only of 20 rows. To create larger data frames, these 20...
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How can I do division with variables in a Linux shell?

... It has to be noted somewhere on this page that most (if not all) GNU/Linux shells only perform integer operations. – Skippy le Grand Gourou Sep 19 '14 at 12:47 ...
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Why am I getting error for apple-touch-icon-precomposed.png

...means the configured web document-root directory, e.g. in Apache 2.4 it usually /var/www/htdocs – Hgehlhausen Dec 14 '16 at 19:40 add a comment  |  ...
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How to change variables value while debugging with LLDB in Xcode?

...es a crash, breakpoint hit or signal. Examples: expr my_struct->a = my_array[3] expr -f bin -- (index * 8) + 5 expr char c[] = "foo"; c[0] IMPORTANT NOTE: Because this command takes 'raw' input, if you use any command options you must use ' -- ' between the...
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]

What are all the common undefined behaviours that a C++ programmer should know about? 11 Answers ...