大约有 15,500 项符合查询结果（耗时：0.0270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...
java.io.Console support in Eclipse IDE
... you wouldn't want someone to be able to override the class to make a mock/testing console...
share
|
improve this answer
|
follow
|
...
MySQL with Node.js
...calhost:33060')
.then(session => {
const table = session.getSchema('testSchema').getTable('testTable');
// The criteria is defined through the expression.
return table.update().where('name = "bar"').set('age', 50)
.execute()
.then(() => {
return table.s...
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.
...
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...
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
...