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What's the use of session.flush() in Hibernate
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139
Flushing the session forces Hibernate to synchronize the in-memory state of the Session with t...
Why isn't Python very good for functional programming? [closed]
...s are use-once)
Python's simple imperative syntax, along with its simple LL1 parser, mean that a better syntax for if-expressions and lambda-expressions is basically impossible. Guido likes it this way, and I think he's right.
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Python List vs. Array - when to use?
If you are creating a 1d array, you can implement it as a List, or else use the 'array' module in the standard library. I have always used Lists for 1d arrays.
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How do I cancel form submission in submit button onclick event?
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13 Answers
13
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Threading in a PyQt application: Use Qt threads or Python threads?
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107
+300
This w...
Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]
...piler first tries to evaluate the right-hand expression:
GetBoolValue() ? 10 : null
The 10 is an int literal (not int?) and null is, well, null. There's no implicit conversion between those two hence the error message.
If you change the right-hand expression to one of the following then it compi...
What is the difference between angular-route and angular-ui-router?
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15 Answers
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What is the difference between a pseudo-class and a pseudo-element in CSS?
...e tr:nth-child(2n) td{
background-color: #ccc;
}
table tr:nth-child(2n+1) td{
background-color: #fff;
}
table tr:nth-child(2n+1):nth-child(5n) td{
background-color: #f0f;
}
Pseudo-elements
Official description
Pseudo-elements create abstractions about the document tree beyond those...
DateTime.ToString() format that can be used in a filename or extension?
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180
You can use this:
DateTime.Now.ToString("yyyy-dd-M--HH-mm-ss");
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