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How to upgrade all Python packages with pip?
Is it possible to upgrade all Python packages at one time with pip ?
55 Answers
55
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Xcode suddenly stopped running project on hardware: “Could not launch xxx.app: .. No such file..” [c
...ice.
Delete the app from your device.
Quit Xcode (Do not just simply close the window, quit it)
Delete derived data folder (~/Library/Developer/Xcode/DerivedData/-gbrvhlvwmpiobxdujegtghggrffp - or something like that)
Now start Xcode once again, connect device and run the project. It should ...
error: Libtool library used but 'LIBTOOL' is undefined
...
@Aust same, brew install libtool for OS X using homebrew
– Ron E
Oct 4 '15 at 21:54
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How to check edittext's text is email address or not?
...iew.findViewById(R.id.login_email);
String getEmailId = emailid.getText().toString();
// Check if email id is valid or not
if (!isEmailValid(getEmailId)){
new CustomToast().Show_Toast(getActivity(), loginView,
"Your Email Id is Invalid.");
}
...
Asp.NET Web API - 405 - HTTP verb used to access this page is not allowed - how to set handler mappi
...ion that doesn't require you to uninstall WebDav.
– Joseph Woodward
Sep 17 '13 at 10:52
1
@B.Clay...
How do you round a floating point number in Perl?
...iest
route.
printf("%.3f", 3.1415926535); # prints 3.142
The POSIX module (part of the standard Perl distribution) implements
ceil(), floor(), and a number of other mathematical and trigonometric
functions.
use POSIX;
$ceil = ceil(3.5); # 4
$floor ...
How to run iPhone emulator WITHOUT starting Xcode?
On my old Mac running Snow Leopard, I could type "ios" into spotlight and it would start up the iPhone/iPad emulator by itself.
...
How do I read text from the (windows) clipboard from python?
...lipboard()
win32clipboard.SetClipboardText('testing 123')
win32clipboard.CloseClipboard()
# get clipboard data
win32clipboard.OpenClipboard()
data = win32clipboard.GetClipboardData()
win32clipboard.CloseClipboard()
print data
An important reminder from the documentation:
When the window has f...
How to get a list of current open windows/process with Java?
... System.out.println(line); //<-- Parse data here.
}
input.close();
} catch (Exception err) {
err.printStackTrace();
}
If you are using Windows, then you should change the line: "Process p = Runtime.getRun..." etc... (3rd line), for one that looks like this:
Process p = Runtime....
Schrödingers MySQL table: exists, yet it does not
...ion case here, but here is how I solved this exact perceived problem on my OS X Lion system.
I frequently create/drop tables for some analytics jobs I have scheduled. At some point, I started getting table already exists errors half-way through my script. A server restart typically solved the issue...