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java.util.Date vs java.sql.Date
java.util.Date vs java.sql.Date : when to use which and why?
7 Answers
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How to check if a user likes my Facebook Page or URL using Facebook's API
...or example - this is ALLOWED: "Like Us to see the competition entry form". And this is NOT ALLOWED: "Like Us and you will be automatically entered into our competition".
– Chris Jacob
Mar 13 '12 at 1:29
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Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
I am being asked to generate some Excel reports. I am currently using pandas quite heavily for my data, so naturally I would like to use the pandas.ExcelWriter method to generate these reports. However the fixed column widths are a problem.
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Convert Dictionary to semicolon separated string in c#
...ring.Join(";", myDict.Select(x => x.Key + "=" + x.Value).ToArray());
(And if you're using .NET 4, or newer, then you can omit the final ToArray call.)
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Java Equivalent of C# async/await?
...user960567: You need to distinguish between the version of C# you're using and the version of .NET you're using. async/await is a language feature - it was introduced in C# 5. Yes, you can use Microsoft.Bcl.Async to use async/await targeting .NET 4, but you've still got to use a C# 5 compiler.
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Is it safe to delete a void pointer?
... is good to avoid undefined behavior, although the topic itself is complex and filled with conflicting opinions.
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The maximum value for an int type in Go
...omplement arithmetic, you can infer the
min/max constant values for int and uint. For example,
const MaxUint = ^uint(0)
const MinUint = 0
const MaxInt = int(MaxUint >> 1)
const MinInt = -MaxInt - 1
As per @CarelZA's comment:
uint8 : 0 to 255
uint16 : 0 to 65535
uint32 : 0 to 4294...
What is the role of the bias in neural networks? [closed]
I'm aware of the gradient descent and the back-propagation algorithm. What I don't get is: when is using a bias important and how do you use it?
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Type erasure techniques
... erasure techniques in C++ are done with function pointers (for behaviour) and void* (for data). The "different" methods simply differ in the way they add semantic sugar. Virtual functions, e.g., are just semantic sugar for
struct Class {
struct vtable {
void (*dtor)(Class*);
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What should my Objective-C singleton look like? [closed]
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@Paul you can override the release method and make it empty. :)
– user142019
Mar 25 '11 at 22:20
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