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When to use EntityManager.find() vs EntityManager.getReference() with JPA
... will execute the following statements:
SELECT p.id AS id1_0_0_,
p.title AS title2_0_0_
FROM post p
WHERE p.id = 1
INSERT INTO post_comment (post_id, review, id)
VALUES (1, 'Just awesome!', 1)
The SELECT query is useless this time because we don’t need the Post entity to be fetched. W...
Is it possible to reference one CSS rule within another?
... do this:
$('.someDiv').css([".radius", ".opacity"]);
If you have a javascript that already processes the page or you can enclose it somewhere in <script> tags. If so, wrap the above in the document ready function:
$(document).ready( function() {
$('.someDiv').css([".radius", ".opacity"]...
Sublime 3 - Set Key map for function Goto Definition
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@BorisSamardžija , also how do i make the above script look for the function definition in my current file rather than jumping to other external files.
– Alexander Solonik
Dec 8 '15 at 9:53
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What is a PDB file?
...g created in Visual Studio. If you are building from the command line or a script then omit the /Debug switch.
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Is it possible to include a file in your .gitconfig
...gitconfig:
[include]
path = /path/to/file
See here for a detailed description of the git change and its edge cases.
By the way, a couple of subtleties worth pointing out:
Environment-variable expansion, e.g. $HOME, is not supported. (Expansion of ~ appeared in Git 1.7.10.2.)
If a relative ...
Is explicitly closing files important?
...ts for generalising such practice:
run can potentially run out of file descriptors, although unlikely, imagine hunting a bug like that
you may not be able to delete said file on some systems, e.g. win32
if you run anything other than CPython, you don't know when file is closed for you
if you open ...
Why is 'false' used after this simple addEventListener function?
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I dont know so much about javascript, so i am having trouble in getting this answer. I actually don't know what is useCapture? Will you please tell me something about it.
– Ashoka Mondal
Jan 10 '14 at 6:25
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How do I squash two non-consecutive commits?
...what you want the new commit message to look like. I recommend this be a description of the changes in commit A and D:
new_commit_message_for_A_and_D
Type Esc then ZZ
git log --oneline -4
E new_commit_message_for_A_and_D
C commit_message_for_C
B commit_message_for_B
git show E
(You should se...
Automatic prune with Git fetch or pull
... From the git config documentation: "To avoid confusion and troubles with script usage, aliases that hide existing Git commands are ignored."
– Dewayne Christensen
May 15 '15 at 16:00
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How do emulators work and how are they written? [closed]
...re.
If you don't want to register with scribd, you can google for the PDF title, "Study of the techniques for emulation programming". There are a couple of different sources for the PDF.
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