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django : using select_related and get_object_or_404 together
Is there any way of using get_object_or_404 and select_related together or any other way to achieve the result of using these two together(except from putting it in try/except)??
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Character Limit in HTML
...e HTML one:
<input type="text" id="Textbox" name="Textbox" maxlength="10" />
The JavaScript one (attach it to a onKey Event):
function limitText(limitField, limitNum) {
if (limitField.value.length > limitNum) {
limitField.value = limitField.value.substring(0, limitNum);
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Pointer to class data member “::*”
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cout << "speed is " << c1.speed << endl;
return 0;
}
As to why you would want to do that, well it gives you another level of indirection that can solve some tricky problems. But to be honest, I've never had to use them in my own code.
Edit: I can't think off-hand of a c...
JavaScript and Threads
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110
See http://caniuse.com/#search=worker for the most up-to-date support info.
The following was t...
How to apply multiple transforms in CSS?
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1047
You have to put them on one line like this:
li:nth-child(2) {
transform: rotate(15deg) tr...
Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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$ cat /proc/`pgrep ls`/stack
[<ffffffff813277c7>] request_wait_answer+0x197/0x280
[<ffffffff81327d07>] __fuse_request_send+0x67/0x90
[<ffffffff81327d57>] fuse_request_send+0x27/0x30
[<ffffffff8132b0ac>] fuse_simple_request+0xcc/0x1a0
[<ffffffff8132c0f0>] fuse_do_getattr+0x120/0x330
[<fffff...
Java - JPA - @Version annotation
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answered Apr 3 '10 at 20:50
Pascal ThiventPascal Thivent
524k126126 gold badges10121012 silver badges10991099 bronze badges
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PostgreSQL - Rename database
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answered Sep 27 '08 at 15:03
bmdhacksbmdhacks
14.8k88 gold badges3232 silver badges5454 bronze badges
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How to delete a record in Django models?
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answered Sep 27 '10 at 16:51
WolphWolph
66.6k99 gold badges120120 silver badges141141 bronze badges
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How do I reset a sequence in Oracle?
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Here is a good procedure for resetting any sequence to 0 from Oracle guru Tom Kyte. Great discussion on the pros and cons in the links below too.
tkyte@TKYTE901.US.ORACLE.COM>
create or replace
procedure reset_seq( p_seq_name in varchar2 )
is
l_val number;
begin
exe...