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START_STICKY and START_NOT_STICKY
...TICKY tells the OS to recreate the service after it has enough memory and call onStartCommand() again with a null intent. START_NOT_STICKY tells the OS to not bother recreating the service again. There is also a third code START_REDELIVER_INTENT that tells the OS to recreate the service and redeliv...
How is mime type of an uploaded file determined by browser?
...dden), and then if not found there, we defer to the system registry.
// Finally, we scan a secondary hard-coded list to catch types that we can
// deduce but that we also want to allow the OS to override.
The hard-coded lists come a bit earlier in the file: https://cs.chromium.org/chromium/src/net/...
postgres: upgrade a user to be a superuser?
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@masterweily You can do \du to list all users/roles.
– XåpplI'-I0llwlg'I -
Apr 6 '14 at 23:38
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Foreign Key to multiple tables
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You have a few options, all varying in "correctness" and ease of use. As always, the right design depends on your needs.
You could simply create two columns in Ticket, OwnedByUserId and OwnedByGroupId, and have nullable Foreign Keys to each table....
Does bit-shift depend on endianness?
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The best thing for understanding endianness is to really use it on different architectures at an embedded level. However, I could refer you to these two articles: codeproject.com/KB/cpp/endianness.aspx and ibm.com/developerworks/aix/library/au-endianc/…
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Change EOL on multiple files in one go
...n Notepad++ (or even with another tool) to change the line ending automatically on multiple files in one go ?
7 Answers
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What is the “owning side” in an ORM mapping?
...d in the association table PERSON_ID_DOCUMENTS.
On the other hand, if we call idDocument.setPerson(person), we change the foreign key person_id on table ID_DOCUMENTS. Hibernate is creating two unidirectional (foreign key) relations on the database, to implement one bidirectional object relation.
H...
JavaScript hashmap equivalent
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Hash your objects yourself manually, and use the resulting strings as keys for a regular JavaScript dictionary. After all, you are in the best position to know what makes your objects unique. That's what I do.
Example:
var key = function(obj){
// Some un...
How to navigate through a vector using iterators? (C++)
...o move an iterator forward n spaces is not to write your own loop, but to call std::advance(it, n). It's defined to do exactly what you want, and it will automatically use it + n if the iterator is tagged as random-access, or do the loop if it has to.
– Steve Jessop
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Truncating long strings with CSS: feasible yet?
... cross browser CSS solution. It does come with the downside however of not allowing the text to be selected in Firefox. Check out his guest post on Matt Snider's blog for the full details on how this works.
Note this technique also prevents updating the content of the node in JavaScript using the i...