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How can I pair socks from a pile efficiently?
...n't think you need a lookup table. A single linear pass over the socks can convert the socks to number vectors, making the mapping of "sock segment" to bucket trivial. The socks can be tied to the vectors with string so that you don't need another linear pass at the end.
– Poin...
Display number with leading zeros
...
In Python 2 (and Python 3) you can do:
print "%02d" % (1,)
Basically % is like printf or sprintf (see docs).
For Python 3.+, the same behavior can also be achieved with format:
print("{:02d}".format(1))
For Python 3.6+ the same behavior can be achieved wit...
Return rows in random order [duplicate]
...n the number order then you could use the RAND function. Declare InvoiceId INT SELECT InvoiceId = RAND() * (SELECT MAX(InvoiceId) - MIN(InvoiceId) FROM table) PRINT InvoiceId SELECT * FROM table Where InvoiceId = InvoiceId Note: The InvoiceId should have the at sign but SO is unhappy with that
...
How do I pass variables and data from PHP to JavaScript?
...tured data will have to be valid HTML, otherwise you'll have to escape and convert strings yourself.
Tightly couples PHP to your data logic - Because PHP is used in presentation, you can't separate the two cleanly.
Implementation Example
With this, the idea is to create some sort of element which...
Javascript Cookie with no expiration date
... have problems with dates past 2038 (when unix epoch time exceeds a 32-bit int).
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How do I get the last four characters from a string in C#?
...ass StringExtension
{
public static string GetLast(this string source, int tail_length)
{
if(tail_length >= source.Length)
return source;
return source.Substring(source.Length - tail_length);
}
}
And then call:
string mystring = "34234234d124";
string res = ...
Android dismiss keyboard
...mWindow(view.getWindowToken(), 0);
} catch (Throwable e) {
e.printStackTrace();
}
}
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How to stop C# console applications from closing automatically? [duplicate]
...efore the sleep, the code insists on doing the sleep first. Use Task.Delay(int milliseconds)
– Momoro
Nov 17 '19 at 7:32
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...ments to not use AsyncTasks. Now that we
have a few fragments completely converted, it’s pretty painless. There
were some growing pains and issues that we had to overcome, but
overall it went smoothly. In the beginning, we ran into a few
technical issues/bugs, but Square has a fantastic Go...
const char* concatenation
...
In your example one and two are char pointers, pointing to char constants. You cannot change the char constants pointed to by these pointers. So anything like:
strcat(one,two); // append string two to string one.
will not work. Instead you should have a separat...