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Selenium wait until document is ready
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No if your page loads before 10 seconds mean it will terminate the wait condition and execute the preceding line.
– Manigandan
Feb 28 '13 at 6:44
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Paging in a Rest Collection
...o retrieve the collection from scratch. This is necessary because it could mean that some resources might have been added or removed before or after the currently requested part.
I use ETag/If-Match in tandem with Last-Modified/If-Unmodified-Since to optimize cache. Browsers and proxies might rely ...
print memory address of Python variable [duplicate]
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@BlackVegetable: What do you mean by "vanilla" if not CPython?
– abarnert
May 6 '13 at 22:56
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Is there a MySQL option/feature to track history of changes to records?
...s "show me what the state of the data was on a given date in the past", it means that the aspect of change over time has entered your solution. Whilst you can, just about, reconstruct the state of the database just by looking at audit tables, it's hard and error prone, and for any complicated databa...
What is the correct JSON content type?
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There is no meaning to the phrase "a text editor in HEX form". A Hex editor shows each byte as its hexadecimal value, for example, the byte 1111000 as "78". While there may be some text editors which also happen to have a hex editing mod...
What is “callback hell” and how and why does RX solve it?
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What happens if now I want to make the getData functions asynchronous, meaning that I get a chance to run some other code while I am waiting for them to return their values? In Javascript, the only way would be to rewrite everything that touches an async computation using continuation passing st...
Change the image source on rollover using jQuery
...ah, but is little harder to do this on IMAGE elements :) Besides that, CSS mean the separation of content from presentation. If you do this, you join those things ;) You can't have this for a large site, right?
– Ionuț Staicu
Feb 12 '09 at 7:56
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@UniqueConstraint and @Column(unique = true) in hibernate annotation
...e implies that both mask and group have to be unique, but separately. That means that if, for example, you have a record with a mask.id = 1 and tries to insert another record with mask.id = 1, you'll get an error, because that column should have unique values. The same aplies for group.
On the othe...
Remove duplicated rows
...), unique(DT))
# Unit: microseconds
# expr min lq mean median uq max neval cld
# unique(DF) 44708.230 48981.8445 53062.536 51573.276 52844.591 107032.18 100 b
# unique(DT) 746.855 776.6145 2201.657 864.932 919.489 55986.88 100 a
microbench...
Using the last-child selector
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last-child works in all the modern browsers, which means, of course, it does not work in any version of IE.
– Rob
Apr 8 '10 at 21:25
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