大约有 47,000 项符合查询结果（耗时：0.0665秒） [XML]
PHP shell_exec() vs exec()
...
Daniel A. WhiteDaniel A. White
170k4242 gold badges334334 silver badges403403 bronze badges
...
In Scala, what exactly does 'val a: A = _' (underscore) mean?
...he variable to a default value. From the Scala Language Specification:
0 if T is Int or one of its subrange types,
0L if T is Long,
0.0f if T is Float,
0.0d if T is Double,
false if T is Boolean,
() if T is Unit,
null for all other types T.
...
How do I install an old version of Django on virtualenv?
...
There was never a Django 1.0.7. The 1.0 series only went up to 1.0.4. You can see all the releases in the tags section of the Django code repository.
However to answer your question, don't use easy_install, use pip. (If it's not already installed, do ...
Create a pointer to two-dimensional array
...
10 Answers
10
Active
...
How to change the style of alert box?
...
|
edited Dec 10 '19 at 17:32
answered Oct 21 '11 at 17:39
...
Concept behind these four lines of tricky C code
...
The number 7709179928849219.0 has the following binary representation as a 64-bit double:
01000011 00111011 01100011 01110101 01010011 00101011 00101011 01000011
+^^^^^^^ ^^^^---- -------- -------- -------- -------- -------- --------
+...
Print all day-dates between two dates [duplicate]
...
I came up with this:
from datetime import date, timedelta
sdate = date(2008, 8, 15) # start date
edate = date(2008, 9, 15) # end date
delta = edate - sdate # as timedelta
for i in range(delta.days + 1):
day = sdate + timedelta(days=i)
print(day)
The output:
2008-08-15
2008-...
Angularjs if-then-else construction in expression
...
Rafael Almeida
8,10666 gold badges3939 silver badges5757 bronze badges
answered May 16 '13 at 11:16
Andre GoncalvesAndr...
In CMake, how can I test if the compiler is Clang?
...so work correctly if a compiler wrapper like ccache is used.
As of CMake 3.0.0 the CMAKE_<LANG>_COMPILER_ID value for Apple-provided Clang is now AppleClang. To test for both the Apple-provided Clang and the regular Clang use the following if condition:
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang...
jQuery find element by data attribute value
...
Use Attribute Equals Selector
$('.slide-link[data-slide="0"]').addClass('active');
Fiddle Demo
.find()
it works down the tree
Get the descendants of each element
in the current set of matched elements, filtered by a selector, jQuery object, or element.
...