大约有 6,000 项符合查询结果（耗时：0.0207秒） [XML]
Running a Python script from PHP
...orrect privileges:
Taken from php manual:
Just a quick reminder for those trying to use shell_exec on a
unix-type platform and can't seem to get it to work. PHP executes as
the web user on the system (generally www for Apache), so you need to
make sure that the web user has rights to what...
Reasons for using the set.seed function
... "42" is a reference to a famous book; other people use their birthday or "123" or just "1".
– Dirk Eddelbuettel
Nov 30 '12 at 1:30
7
...
Sample random rows in dataframe
...b
1: 14.7 8 440.0 230 3.23 5.345 17.42 0 0 3 4
2: 19.2 6 167.6 123 3.92 3.440 18.30 1 0 4 4
3: 17.3 8 275.8 180 3.07 3.730 17.60 0 0 3 3
4: 21.5 4 120.1 97 3.70 2.465 20.01 1 0 3 1
5: 22.8 4 108.0 93 3.85 2.320 18.61 1 1 4 1
6: 15.5 8 318.0 150 2...
What is the difference between const and readonly in C#?
...
GishuGishu
123k4545 gold badges214214 silver badges294294 bronze badges
...
“X does not name a type” error in C++
...ned, we can read that reference:
fr.fooInt = 111605;
fr.foDouble = 123.456;
}
By forward declaring User, MyMessageBox can still form a pointer or reference to it:
class User; // let the compiler know such a class will be defined
class MyMessageBox
{
public:
// this is ok, no definiti...
How to round float numbers in javascript?
...
Number((456.1235).toFixed(3)) -> 456.123, Number((1.235).toFixed(2)) -> 1.24... Stupid JavaSript...
– NoOne
Jun 21 '15 at 9:31
...
ValidateRequest=“false” doesn't work in Asp.Net 4
...sing requestValidationMode="2.0" is a good idea?
– fc123
Oct 16 '14 at 16:05
add a comment
|
...
Regular expression for matching latitude/longitude coordinates?
...es
+90.0, -127.554334
45, 180
-90, -180
-90.000, -180.0000
+90, +180
47.1231231, 179.99999999
Doesn't Match
-90., -180.
+90.1, -100.111
-91, 123.456
045, 180
share
|
improve this answer
...
UIActionSheet cancel button strange behaviour
... showFromToolbar: method instead. You'll need a reference to the toolbar, most likely an ivar
[actionSheet showFromToolbar:self.myToolbar];
My Old Answer Also works, but is hacky:
Just found a possible answer:
01-Dec-2008 10:22 PM Tom Saxton:
I looked at this bug some more, and it seems ...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
iOS开发调试技巧总结对于软件开发而言，调试是必须学会的技能，重要性不言而喻。对于调试的技能，基本上是可以迁移的，也就是说你以前在其他平台上掌握的很多调...对于软件开发而言，调试是必须学会的技能，重要性不言...