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No == operator found while comparing structs in C++
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In C++, structs do not have a comparison operator generated by default. You need to write your own:
bool operator==(const MyStruct1& lhs, const MyStruct1& rhs)
{
return /* your comparison code goes here */
}
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How to make an array of arrays in Java
...dividually: arrays[0] = new String[] {"a", "b", "c"} or use a temp List: <pre><code> List<String[]> myList = new ArrayList<>(); myList.add(new String[]{"a", "b", "c"}); myList.add(new String[]{"d", "e", "f"}); myList.toArray(arrays); </code></pre>
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Improving bulk insert performance in Entity framework [duplicate]
...and am constantly newing up the context, in a using of course, and the results were astonishing. I also forced lazy loading in the constructor from the Context.tt file. This update takes 4 seconds now. I can't wait to test this against production sized data... which is in the hundreds of millions......
java: HashMap not working
HashMap<String, int> doesn't seem to work but HashMap<String, Integer> does work.
Any ideas why?
5 Answers
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How to pre-populate the sms body text via an html link
... hacky.
If you want it to work on Android you need to use this format:
<a href="sms:/* phone number here */?body=/* body text here */">Link</a>
If you want it to work on iOS, you need this:
<a href="sms:/* phone number here */;body=/* body text here */">Link</a>
Live de...
Places where JavaBeans are used?
...f users wherein you store the data of the user table in the database:
List<User> users = new ArrayList<User>();
while (resultSet.next()) {
User user = new User();
user.setId(resultSet.getLong("id"));
user.setName(resultSet.getString("name"));
user.setBirthdate(resultSet.g...
How do you bind an Enum to a DropDownList control in ASP.NET?
...ay itemNames = System.Enum.GetNames(typeof(Response));
for (int i = 0; i <= itemNames.Length - 1 ; i++) {
ListItem item = new ListItem(itemNames[i], itemValues[i]);
dropdownlist.Items.Add(item);
}
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How to set default value to the input[type=“date”] [duplicate]
...r more digits representing a number greater than 0.
Your code should be altered to:
<input type="date" value="2013-01-08">
Example jsfiddle
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When is JavaScript's eval() not evil?
I'm writing some JavaScript code to parse user-entered functions (for spreadsheet-like functionality). Having parsed the formula I could convert it into JavaScript and run eval() on it to yield the result.
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What is the most pythonic way to check if an object is a number?
...ng the smart thing, rather than the duck thing, is preferred when you're multiplying a vector by X. In this case you want to do different things based on what X is. (It might act as something that multiplies, but the result might be nonsensical.)
– Evgeni Sergeev
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