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How do I get a TextBox to only accept numeric input in WPF?
...ject.GetDataPresent(DataFormats.Text))
{
string text = Convert.ToString(e.DataObject.GetData(DataFormats.Text));
if (!IsValid(text, true))
{
e.CancelCommand();
}
}
else
{
e.CancelCommand();
...
Generate a random date between two other dates
...
Convert both strings to timestamps (in your chosen resolution, e.g. milliseconds, seconds, hours, days, whatever), subtract the earlier from the later, multiply your random number (assuming it is distributed in the range [0, ...
Why can't I use float value as a template parameter?
... character pack template<char ...cs>, then the string literal can be converted into such a pack at compile time. Here is a demo on ideone. (Demo is C++14, but it's easy to port it back to C++11 - std::integer_sequence is the only difficulty)
– Aaron McDaid
...
Rank function in MySQL
...orresponding ANSI standard SQL query for my requirement. Please help me to convert it to MySQL .
11 Answers
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Convert array of strings into a string in Java
I want the Java code for converting an array of strings into an string.
13 Answers
13
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How to remove a column from an existing table?
...he real challenge is finding all foreign keys. You can do this by querying system tables or using third party tools such as ApexSQL Search (free) or Red Gate Dependency tracker (premium but more features). There a whole thread on foreign keys here
...
What does [ N … M ] mean in C aggregate initializers?
..., write [first ... last] = value. This is a GNU extension. For example,
int widths[] = { [0 ... 9] = 1, [10 ... 99] = 2, [100] = 3 };
It is not portable. Compiling with -pedantic with tell you so.
How does it work here?
The preprocessor replaces #include <asm/unistd.h> with its actual c...
Convert HH:MM:SS string to seconds only in javascript
I am having similar requirement as this: Convert time in HH:MM:SS format to seconds only?
13 Answers
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In Functional Programming, what is a functor?
...fmap even
is an overloaded function that can do many wonderful things:
Convert a list of integers to a list of Booleans
Convert a tree of integers to a tree of Booleans
Convert Nothing to Nothing and Just 7 to Just False
In Haskell, this property is expressed by giving the type of fmap:
fmap ...
How to pass boolean values to a PowerShell script from a command prompt
...false'
f : Cannot process argument transformation on parameter 'b'. Cannot convert value
"System.String" to type "System.Boolean", parameters of this type only accept
booleans or numbers, use $true, $false, 1 or 0 instead.
At line:1 char:36
+ function f( [bool]$b ) { $b }; f -b <<<< '...