大约有 6,600 项符合查询结果（耗时：0.0322秒） [XML]
Fast check for NaN in NumPy
...e of NaNs than in their absence. It also seems to get slower as NaNs get closer to the start of the array. On the other hand, sum's throughput seems constant regardless of whether there are NaNs and where they're located:
In [40]: x = np.random.rand(100000)
In [41]: %timeit np.isnan(np.min(x))
100...
Where are static methods and static variables stored in Java?
...he normal sections of the heap (young/old generation or survivor space). Those objects (unless they are internal objects like classes etc.) are not stored in PermGen space.
Example:
static int i = 1; //the value 1 is stored in the PermGen section
static Object o = new SomeObject(); //the reference...
How do I run a shell script without using “sh” or “bash” commands?
...ocal/bin folder.
Note: I suggest placing it under /usr/local/bin because most likely that path will be already added to your PATH variable.
Run the script using just its name, scriptname.
If you don't have access to /usr/local/bin then do the following:
Create a folder in your home directory an...
Vagrant error : Failed to mount folders in Linux guest
...e. After I did this then the guests VboxAdditions updated, and matched my host. And all we fine without a hitch. I just have to maintain equal versions on both guest and host. Thanks for the pointer @karlingen
– Rixhers Ajazi
Jun 6 '14 at 17:31
...
Read and write a String from text file
...prints the content of data.txt
Update:
For reading a file from Bundle (iOS) you can use:
let path = NSBundle.mainBundle().pathForResource("FileName", ofType: "txt")
var text = String(contentsOfFile: path!, encoding: NSUTF8StringEncoding, error: nil)!
println(text)
Update for Swift 3:
let path...
Git Push Error: insufficient permission for adding an object to repository database
...t the following error:
insufficient permission for adding an object to repository database
19 Answers
...
Is there a method to generate a UUID with go language
...
u[8] = (u[8] | 0x80) & 0xBF // what's the purpose ?
u[6] = (u[6] | 0x40) & 0x4F // what's the purpose ?
These lines clamp the values of byte 6 and 8 to a specific range. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. A...
How do I make my GUI behave well when Windows font scaling is greater than 100%
When choosing large font sizes in the Windows control panel (like 125%, or 150%) then there are problems in a VCL application, every time something has been set pixelwise.
...
IntelliJ beginning of file keyboard shortcut
...t to move to the beginning of a file? I checked IntelliJ's Keymap for Mac OS X and it doesn't list anything for navigating to the start of a file.
...
Can you build dynamic libraries for iOS and load them at runtime?
Are dynamic libraries supported on iOS (iPhone/iPad)?
3 Answers
3
...