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form with no action and where enter does not reload page
I am looking for the neatest way to create an HTML form which does not have a submit button. That itself is easy enough, but I also need to stop the form from reloading itself when submission-like things are done (for example, hitting Enter in a text field).
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What does 'stale file handle' in Linux mean?
... the same directory, why do I get an error about a stale file handle? What does it mean? (On a side note, I have found that it is possible to bypass this issue through cd $(pwd) .)
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Why does an overridden function in the derived class hide other overloads of the base class?
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OP: "Why does an overridden function in the derived class hide other overloads of the base class?" This answer: "Because it does".
– Richard Wolf
Jul 8 '14 at 3:58
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Why does String.valueOf(null) throw a NullPointerException?
...String.valueOf((Object) null));
// prints "null"
Related questions
How does polymorph ambiguity distinction work?
Which overload will get selected for null in Java?
Moral of the story
There are several important ones:
Effective Java 2nd Edition, Item 41: Use overloading judiciously
Just...
Where does git config --global get written to?
...le setter line, I'm not seeing HOME defined in the etc\profile script. It does still seem to act as described, but I'm unclear where HOME is being set nowadays.
– ojchase
Oct 5 '18 at 17:48
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Is Integer Immutable
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Immutable does not mean that a can never equal another value. For example, String is immutable too, but I can still do this:
String str = "hello";
// str equals "hello"
str = str + "world";
// now str equals "helloworld"
str was not...
Is there a Java reflection utility to do a deep comparison of two objects?
... this function and it seems to do a deep comparison where as EqualsBuilder does not.
– Howard May
Mar 9 '12 at 15:19
I...
Why does one hot encoding improve machine learning performance?
...curacy, compared to using the original matrix itself as training data. How does this performance increase happen?
3 Answer...
How to read a large file - line by line?
...ry for loop iterates through the f file object line by line. internally it does buffered IO (to optimized on costly IO operations) and memory management.
with open("x.txt") as f:
for line in f:
do something with data
2. use of yield
Sometimes one might want more fine-grained control ove...
What does numpy.random.seed(0) do?
What does np.random.seed do in the below code from a Scikit-Learn tutorial? I'm not very familiar with NumPy's random state generator stuff, so I'd really appreciate a layman's terms explanation of this.
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