大约有 45,000 项符合查询结果(耗时:0.0662秒) [XML]

https://stackoverflow.com/ques... 

How to normalize an array in NumPy?

I would like to have the norm of one NumPy array. More specifically, I am looking for an equivalent version of this function ...
https://stackoverflow.com/ques... 

Python: Checking if a 'Dictionary' is empty doesn't seem to work

I am trying to check if a dictionary is empty but it doesn't behave properly. It just skips it and displays ONLINE without anything except of display the message. Any ideas why ? ...
https://stackoverflow.com/ques... 

what's the correct way to send a file from REST web service to client?

I've just started to develop REST services, but I've come across a difficult situation: sending files from my REST service to my client. So far I've gotten the hang of how to send simple data types (strings, integers, etc) but sending a file is a different matter since there are so many file formats...
https://stackoverflow.com/ques... 

How to check if the URL contains a given string?

...gex way: var matches = !!location.href.match(/franky/); //a boolean value now Or in a simple statement you could use: if (location.href.match(/franky/)) { I use this to test whether the website is running locally or on a server: location.href.match(/(192.168|localhost).*:1337/) This checks...
https://stackoverflow.com/ques... 

Can I create a One-Time-Use Function in a Script or Stored Procedure?

... I was going to suggest this. Just be careful that your script finishes; if it aborts, you'll still have the function in the DB. – chocojosh Jun 11 '09 at 14:34 6 ...
https://stackoverflow.com/ques... 

Genymotion, “Unable to load VirtualBox engine.” on Mavericks. VBox is setup correctly

...ox/VBoxDrv.kext failed to load - (libkern/kext) not loadable (reason unspecified); check the system/kernel logs for errors or try kextutil(8). The system console also shows a plethora of interesting though obtuse error messages. Not entirely sure, but it looks to me like the VBox kext (kernel extens...
https://stackoverflow.com/ques... 

Do I have to guard against SQL injection if I used a dropdown?

...ou expect. $possibleOptions = array('All', 'Large', 'Medium', 'Small'); if(in_array($_POST['size'], $possibleOptions)) { // Expected } else { // Not Expected } Then use mysqli_* if you are using a version of php >= 5.3.0 which you should be, to save your result. If used correctly thi...
https://stackoverflow.com/ques... 

Android Notification Sound

I've used the newer NotificationCompat builder and I can't get the notification to make a sound. It will vibrate and flash the light. The android documentation says to set a style which I've done with: ...
https://stackoverflow.com/ques... 

How can I find the version of the Fedora I use?

... However, this won't work if anyone's changed the login banners … I typically edit mine, and so, it seems, do many (most) corporate IT departments... :-( – BRPocock Dec 2 '11 at 16:05 ...
https://stackoverflow.com/ques... 

Why does pylint object to single character variable names?

...n [customer_address for customer_address in thing.get_customer_addresses() if customer_address.is_proper()] vs return [a for a in thing.get_customer_addresses() if a.is_proper()] I claim the latter is more clear, as a is obvious from the context. In general, variable length should correlate ...