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How to obtain the start time and end time of a day?
How to obtain the start time and end time of a day?
14 Answers
14
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JPA: what is the proper pattern for iterating over large result sets?
...say I have a table with millions of rows. Using JPA, what's the proper way to iterate over a query against that table, such that I don't have all an in-memory List with millions of objects?
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Why are these constructs using pre and post-increment undefined behavior?
...xists. In my mind, it's simply because the language designers wanted there to be some leeway in the semantics, instead of i.e. requiring that all implementations handle integer overflow in the exact same way, which would very likely impose serious performance costs, they just left the behavior undef...
Shell command to sum integers, one per line?
...ile
Note: some versions of awk have some odd behaviours if you are going to be adding anything exceeding 2^31 (2147483647). See comments for more background. One suggestion is to use printf rather than print:
awk '{s+=$1} END {printf "%.0f", s}' mydatafile
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What is a good Hash Function?
...data structures courses in college, but I mostly got that it's pretty hard to make a good hash function. As a rule of thumb to avoid collisions my professor said that:
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What exactly is RESTful programming?
...d for mutation, creation, and deletion respectively.
REST proponents tend to favor URLs, such as
http://myserver.com/catalog/item/1729
but the REST architecture does not require these "pretty URLs". A GET request with a parameter
http://myserver.com/catalog?item=1729
is every bit as RESTful.
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Best practices for using Markers in SLF4J/Logback
... with few "entities"
[Markers] are used for "special" events that you want to have filtered from usual ones
So your assertion that You want to use MDC for this. Markers are for highlighting "special" events--filtering, if you will--rather than "slicing". For example, you might slice based on a par...
Prevent flicker on webkit-transition of webkit-transform [duplicate]
...e: iPhone WebKit CSS animations cause flicker.
For your element, you need to set
-webkit-backface-visibility: hidden;
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How to launch html using Chrome at “--allow-file-access-from-files” mode?
... path of your Chrome executable and then, on your cmd, try :
> "C:\PathTo\Chrome.exe" --allow-file-access-from-files
Source
EDIT :
As I see on your question, don't forget that Windows is a little bit similar to Unix, so when you type "chrome ...", cmd will search for Chrome in the PATH, but i...
Python - Get path of root project structure
...th a configuration file in the project root.
The configuration file needs to be accessed in a few different files throughout the project.
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