大约有 30,000 项符合查询结果(耗时:0.0449秒) [XML]
Run an OLS regression with Pandas Data Frame
...df = pd.DataFrame({"A": [10,20,30,40,50], "B": [20, 30, 10, 40, 50], "C": [32, 234, 23, 23, 42523]})
>>> result = sm.ols(formula="A ~ B + C", data=df).fit()
>>> print(result.params)
Intercept 14.952480
B 0.401182
C 0.000352
dtype: float64
>>> pri...
Why is it slower to iterate over a small string than a small list?
...> >> 31 POP_TOP
#>>> 32 LOAD_CONST 0 (None)
#>>> 35 RETURN_VALUE
def string_iterate():
[item for item in "abc"]
dis.dis(string_iterate)
#>>> 2 0 BUILD_LIST 0
#&g...
Best way to implement Enums with Core Data
...r value. Make sure to set the data type in the core data model as "Integer 32".
MyEntity.h
typedef enum {
kEnumThing, /* 0 is implied */
kEnumWidget, /* 1 is implied */
} MyThingAMaBobs;
@interface myEntity : NSManagedObject
@property (nonatomic) int32_t coreDataEnumStorage;
Elsewhere in code
...
Decorators with parameters?
... |
edited Oct 18 '19 at 5:32
Boris
4,69255 gold badges4242 silver badges5252 bronze badges
answered May ...
Macro vs Function in C
...
Isn't that, in context of low-level MCU (AVRs, i.e. ATMega32) computing, Macros are better choice, as they do not grow call stack, like function calls do?
– hardyVeles
Aug 29 '19 at 22:22
...
Update multiple rows in same query using PostgreSQL
...
Benjamin CrouzierBenjamin Crouzier
32.3k3636 gold badges146146 silver badges208208 bronze badges
...
How to toggle a value in Python
...gt; print "%.2f usec/pass" % (1000000 * t4.timeit(number=100000)/100000)
6.32 usec/pass
share
|
improve this answer
|
follow
|
...
Total memory used by Python process?
...
326
Here is a useful solution that works for various operating systems, including Linux, Windows 7...
How to create a WPF Window without a border that can be resized via a grip only?
...= CharSet.Auto)]
private static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);
[DllImportAttribute("user32.dll")]
public static extern bool ReleaseCapture();
//Attach this to the MouseDown event of your drag control to move the window in place of th...
How do I install cygwin components from the command line?
...wanted to know. I wonder why they aren't mature?
– vy32
Feb 20 '12 at 2:53
4
@vy32: because you d...
