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How do I convert from BLOB to TEXT in MySQL?
...e of handling I'd like to change the format in the database to TEXT... Any ideas how easily to make the change so as not to interrupt the data - I guess it will need to be encoded properly?
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How do I get an element to scroll into view, using jQuery?
I have an HTML document with images in a grid format using <ul><li><img... . The browser window has both vertical & horizontal scrolling.
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android button selector
... need to set selector of button in your layout file.
<Button
android:id="@+id/button1"
android:background="@drawable/selector_xml_name"
android:layout_width="200dp"
android:layout_height="126dp"
android:text="Hello" />
and done.
Edit
Following is button_effect.xml...
Can you create nested WITH clauses for Common Table Expressions?
... Stating that this is not nested, just because query 2 is not inside the parenthesis of query 1, sounds like a weak argument. I think it's nested (not recursively nested), because query 2 uses the result of query 1, which occurs with nesting too. Is defined that nesting can only be when a ...
How to wait until an element exists?
...ationObserver api a bit complex so I've built a library, arrive.js, to provide a simpler api to listen for elements creation/removal.
– Uzair Farooq
Apr 17 '14 at 18:23
16
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List of zeros in python [duplicate]
...tertools.repeat and [0] * n will create lists whose elements refer to same id. This is not a problem with immutable objects like integers or strings but if you try to create list of mutable objects like a list of lists ([[]] * n) then all the elements will refer to the same object.
a = [[]] * 10
a...
Finding sum of elements in Swift array
...lection of elements down to a single value by recursively applying the provided closure". We give it 0 as the initial value, and then, essentially, the closure { $0 + $1 }. Of course, we can simplify that to a single plus sign, because that's how Swift rolls.
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Remove rows with all or some NAs (missing values) in data.frame
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tidyr has a new function drop_na:
library(tidyr)
df %>% drop_na()
# gene hsap mmul mmus rnor cfam
# 2 ENSG00000199674 0 2 2 2 2
# 6 ENSG00000221312 0 1 2 3 2
df %>% drop_na(rn...
CSS: Change image src on img:hover
....setAttribute('src', 'http://dummyimage.com/100x100/000/fff');
}
<img id="my-img" src="http://dummyimage.com/100x100/000/fff" onmouseover="hover(this);" onmouseout="unhover(this);" />
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Why is subtracting these two times (in 1927) giving a strange result?
...in Shanghai.
See this page for details of 1927 in Shanghai. Basically at midnight at the end of 1927, the clocks went back 5 minutes and 52 seconds. So "1927-12-31 23:54:08" actually happened twice, and it looks like Java is parsing it as the later possible instant for that local date/time - hence ...