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Are (non-void) self-closing tags valid in HTML5?
...ich leads to <br /> meaning <br>> (i.e. <br>&gt;) and <title/hello/ meaning <title>hello</title>). This is an SGML rule that browsers did a very poor job of supporting, and the spec advises authors to avoid the syntax.
In XHTML, <foo /> means <foo>...
Cannot use identity column key generation with ( TABLE_PER_CLASS )
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The problem here is that you mix "table-per-class" inheritance and GenerationType.Auto.
Consider an identity column in MsSQL. It is column based. In a "table-per-class" strategy you use one table per class and each one has an ID.
Try:
@GeneratedValue(strategy = GenerationType.TABLE)
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What is the use of a private static variable in Java?
...I am also aware that static members are shared by all instances of a class and are not reallocated in each instance.
19 Ans...
push multiple elements to array
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This answer and the selected answer produce different, and perhaps unexpected, results. a.push(1) vs. a.push([1])
– oevna
Dec 24 '16 at 1:12
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The point of test %eax %eax [duplicate]
I'm very very new to assembly language programming, and I'm currently trying to read the assembly language generated from a binary. I've run across
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What is the purpose of a stack? Why do we need it?
...the stack?
I assume you mean the evaluation stack of the MSIL language, and not the actual per-thread stack at runtime.
Why is there a transfer from memory to stack or "loading?" On the other hand, why is there a transfer from stack to memory or "storing"? Why not just have them all placed i...
How do I capture the output of a script if it is being ran by the task scheduler?
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Try this as the command string in Task Scheduler:
cmd /c yourscript.cmd > logall.txt
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The most efficient way to implement an integer based power function pow(int, int)
... break;
base *= base;
}
return result;
}
This is the standard method for doing modular exponentiation for huge numbers in asymmetric cryptography.
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Creating dataframe from a dictionary where entries have different lengths
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In Python 3.x:
import pandas as pd
import numpy as np
d = dict( A = np.array([1,2]), B = np.array([1,2,3,4]) )
pd.DataFrame(dict([ (k,pd.Series(v)) for k,v in d.items() ]))
Out[7]:
A B
0 1 1
1 2 2
2 NaN 3
3 NaN 4
In Python 2.x...
NoSQL - MongoDB vs CouchDB [closed]
...noob when it comes to the NoSQL movement. I have heard lots about MongoDB and CouchDB. I know there are differences between the two. Which do you recommend learning as a first step into the NoSQL world?
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