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Python 2.7 getting user input and manipulating as string without quotations
...ter a number: ")) #integer input
If you enter a string for int cast ValueError: invalid literal for int() with base 10:
x = float(input("Enter a float number: ")) #float input
If you enter a string for float cast ValueError: could not convert string to float
x = eval(input("Enter a float numbe...
Difference between staticmethod and classmethod
... class rather than from a class instance. A.foo(1) would have raised a TypeError, but A.class_foo(1) works just fine:
A.class_foo(1)
# executing class_foo(<class '__main__.A'>,1)
One use people have found for class methods is to create inheritable alternative constructors.
With staticmet...
How to change the background color of the options menu?
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Hi, I have used your function but i got this following error Error inflating class com.android.internal.view.menu.IconMenuItemView and then one more exception Error inflating class <unknown>... now what should i do now...? please help me.
– Rushabh Pat...
Can't find the PostgreSQL client library (libpq)
...nstall pg
But when I tried running bundle install again, it had the same error. Then I tried the entire bundle install with ARCHFLAGS like so:
ARCHFLAGS="-arch x86_64" bundle install
Worked for me! Make sure to replace x86_64 with i386 depending on what architecture you have.
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How many characters can a Java String have?
...];
System.out.println("len: " + len + " OK");
} catch (Error e) {
System.out.println("len: " + len + " " + e);
}
}
}
on Oracle Java 8 update 92 prints
len: 2147483647 java.lang.OutOfMemoryError: Requested array size exceeds VM limit
len: 2147483646 java...
How can I temporarily disable a foreign key constraint in MySQL?
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This doesn't work for me. When I try, I see:ERROR 1228 (HY000): Variable 'foreign_key_checks' is a SESSION variable and can't be used with SET GLOBAL
– Mike B
Dec 9 '16 at 0:25
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A beginner's guide to SQL database design [closed]
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The Celko book is a study in errors, and furthers the notion of implementing in code, what should be implemented in the database.
– PerformanceDBA
Apr 26 '15 at 2:05
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How to disable copy/paste from/to EditText
... Hi, I'm using this approach, but I'm getting Type mismatch error with this description Required:ActionMode.Callback! Found: on this part object: ActionMode.Callback. Any idea why it might not be working?
– Abdul Mateen
Dec 14 '19 at 18:06
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How to display Toast in Android?
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I have tried several toast and for those whom their toast is giving them error try
Toast.makeText(getApplicationContext(), "google", Toast.LENGTH_LONG).show();
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How to show loading spinner in jQuery?
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The success won't be called if there is an error, but "you will always receive a complete callback, even for synchronous requests," according to jQuery Ajax Events.
– LeeGee
Sep 4 '12 at 12:02
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