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How to select the first element with a specific attribute using XPath
...bookstore/book[@location='US'][1] works only with simple structure.
Add a bit more structure and things break.
With
<bookstore>
<category>
<book location="US">A1</book>
<book location="FIN">A2</book>
</category>
<category>
<book location...
What is the difference between a database and a data warehouse?
...
This is the correct answer of them all. And a bit on Datamart: It is a logical subset of Data warehouse, generally based upon business functions.
– CᴴᴀZ
May 29 '16 at 6:42
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When to use a View instead of a Table?
... sometimes goes down in the middle of a long code run. I mitigate this by biting portions of the code into intermediate tables which save intermediate results. So if the system conks before code is complete, I only have to pick up starting from the last saved temp table. I might switch to using ...
Symbolicating iPhone App Crash Reports
...ne, method name which resulted in crash.
Ex: [classname functionName:]; -510
Symbolicating IPA
if we use IPA for symbolicating - just rename the extention .ipa with .zip , extract it then we can get a Payload Folder which contain app. In this case we don't need .dSYM file.
Note
This can only w...
windows service vs scheduled task
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RebeccaRebecca
12.5k1010 gold badges7878 silver badges123123 bronze badges
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Functions that return a function
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Thanks for validating the bit about if the function doesn't return a value the call returns undefined. I discovered this messing around recently: even if the function returns null explicitly, if you assign the value returned to a variable it will be u...
How do I call the default deserializer from a custom deserializer in Jackson
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There are couple of ways to do this, but to do it right involves bit more work. Basically you can not use sub-classing, since information default deserializers need is built from class definitions.
So what you can most likely use is to construct a BeanDeserializerModifier, register that v...
What does the constant 0.0039215689 represent?
...instead the desired 0.0 - 1.0. (0.996 = 255/256 where 255 is the largest 8-bit integer)
– Mysticial
Mar 25 '14 at 18:53
7
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Do I really need to encode '&' as '&'?
...w (2019), the definition of an ambiguous ampersand seems to have changed a bit from the definition you quoted back in 2011 in mathiasbynens.be/notes/ambiguous-ampersands .
– Jacob C. says Reinstate Monica
Dec 17 '19 at 20:53
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I forgot the password I entered during postgres installation
...r user postgres:
psql (9.1.11)
SSL connection (cipher: DHE-RSA-AES256-SHA, bits: 256)
Type "help" for help.
postgres=#
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