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Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted
...h to find it, I'm afraid. The simplest instrument is to selectively place calls to memory_get_usage and narrow it down to where the code leaks. You can also use xdebug to create a trace of the code. Run the code with execution traces and show_mem_delta.
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How to set background color in jquery
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You actually got it. Just forgot some quotes.
$(this).css({backgroundColor: 'red'});
or
$(this).css('background-color', 'red');
You don't need to pass over a map/object to set only one property. You can just put pass it as stri...
Android: Expand/collapse animation
...de: the "initalize" method name should be "initialize" or it will not get called. ;) I'd recommend using @Override in the future so this kind of typo gets caught by the compiler.
– Lorne Laliberte
Sep 28 '11 at 3:57
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How do I output the difference between two specific revisions in Subversion?
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If you want pretty output, install colordiff and add ` | colordiff` to the end of the above command to pipe everything through it.
– William Turrell
Sep 28 '16 at 19:25
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How to move/rename a file using an Ansible task on a remote system
...o get fancy then you could first use the stat module to check that foo actually exists:
- name: stat foo
stat: path=/path/to/foo
register: foo_stat
- name: Move foo to bar
command: mv /path/to/foo /path/to/bar
when: foo_stat.stat.exists
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How to lock orientation during runtime
Is there a way to lock orientation during runtime? For example I'd like to allow the user to lock the screen to landscape if the user currently in landscape and toggle the menu option.
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Good tutorials on XMPP? [closed]
...Library from Ignite Realtime and used the groovy language with a buch of small scripts to learn the basics.
Later i developed a plugin for the OpenFire XMPP Server. There are some tutorials and a forum on their site as well. I think that both the smack and the openfire api's are easy to learn.
I...
Describe the architecture you use for Java web applications? [closed]
...transactions upon entering the service layer, propagating down to the DAO call's. The Service layer has the most bussines model knowledge, and the DAO's do relatively simple CRUD work.
Some more complicated query stuff is handled by more complicated queries in the backend for performance reasons.
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Which SQL query is faster? Filter on Join criteria or Where clause?
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Performance-wise, they are the same (and produce the same plans)
Logically, you should make the operation that still has sense if you replace INNER JOIN with a LEFT JOIN.
In your very case this will look like this:
SELECT *
FROM TableA a
LEFT JOIN
TableXRef x
ON x.TableAID = ...
How to style CSS role
... May 12 '14 at 14:21
Carrie Kendall
10.5k55 gold badges5656 silver badges7979 bronze badges
answered Oct 15 '12 at 9:28
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