大约有 15,467 项符合查询结果（耗时：0.0248秒） [XML]
What is a “callback” in C and how are they implemented?
...ling in a Standard C mode with warnings on. You can also write a minimised test program. Code such as those in libsrtp gives no warnings. I presume, then, that when such a type appears as a function argument, it is required to 'decay' to a pointer-to-function, just like arrays decay to pointers to t...
What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?
... the html tag when creating elements:
$("#target").append($("div").text("Test"));
Will raise this error because what you meant was
$("#target").append($("<div>").text("Test"));
share
|
...
Maximum size of an Array in Javascript
...y dependent on your target machine and your actual code, so you'll need to test on that (those) platform(s) to see what is acceptable.
However, the maximum length of an array according to the ECMA-262 5th Edition specification is bound by an unsigned 32-bit integer due to the ToUint32 abstract oper...
MongoDB logging all queries
... can log all queries:
$ mongo
MongoDB shell version: 2.4.9
connecting to: test
> use myDb
switched to db myDb
> db.getProfilingLevel()
0
> db.setProfilingLevel(2)
{ "was" : 0, "slowms" : 1, "ok" : 1 }
> db.getProfilingLevel()
2
> db.system.profile.find().pretty()
Source: http://doc...
Include constant in string without concatenating
...er indirect variations, unnecessarily creating functions, yours is the shortest and to the point solution that relies on variable functions, underrated and very infrequently used feature of PHP. Out of this whole thread I went with YOUR particular solution. I wish I could +1 it more than once.
...
In SQL, what's the difference between count(column) and count(*)?
... rows having a non-null value on the rows.
Please see following code for test executions SQL Server 2008:
-- Variable table
DECLARE @Table TABLE
(
CustomerId int NULL
, Name nvarchar(50) NULL
)
-- Insert some records for tests
INSERT INTO @Table VALUES( NULL, 'Pedro')
INSERT INTO @Tab...
apc vs eaccelerator vs xcache
... I've been weighing up these three and have decided to start testing with APC for this reason. The other two seem to have some stability issues too.
– Steve Claridge
Oct 15 '09 at 8:30
...
LLVM C++ IDE for Windows
...r such as Clang analyze and smart auto-completion. The plug-in is also not tested well and may not work perfectly therefore I hope I can get user feedback via mailing list found from Google code development site (listed below). I wish I had time to develop it further. I only develop it in my spare t...
How can I know which parts in the code are never used?
...You run the code coverage tool with a good set of varied inputs (your unit-tests or non-regression tests), the dead code is necessarily within the unreached code... and so you can start from here.
If you are extremely interested in the subject, and have the time and inclination to actually work ou...
Two inline-block, width 50% elements wrap to second line [duplicate]
...ce back to normal again if you want your text to wrap inside the columns.
Tested in IE9, Chrome 18, FF 12
.container { white-space: nowrap; }
.column { display: inline-block; width: 50%; white-space: normal; }
<div class="container">
<div class="column">text that can wrap</div>...