大约有 4,600 项符合查询结果（耗时：0.0155秒） [XML]
Node.js or Erlang
...r learning curve, you will get more out of it since you will be learning a functional programming language. Also, since Erlang is specifically designed to create reliable, highly concurrent systems, you will learn plenty about creating highly scalable services at the same time.
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How to evaluate a math expression given in string form?
...iplication, division, exponentiation (using the ^ symbol), and a few basic functions like sqrt. It supports grouping using (...), and it gets the operator precedence and associativity rules correct.
public static double eval(final String str) {
return new Object() {
int pos = -1, ch;
...
How to compare two floating point numbers in Bash?
...result back to the shell in a proper, machine-readable way. if awk -v n1="123.456" -v n2="3.14159e17" 'BEGIN { exit (n1 <= n2) }' /dev/null; then echo bigger; else echo not; fi ... though note how the condition is inverted (the exit status 0 means success to the shell).
– t...
ASP.NET Identity reset password
...();//"<YourLogicAssignsRequestedUserId>";
String newPassword = "test@123"; //"<PasswordAsTypedByUser>";
String hashedNewPassword = UserManager.PasswordHasher.HashPassword(newPassword);
ApplicationUser cUser = await store.FindByIdAsync(userId);
await store.SetPasswordH...
Convert a number range to another range, maintaining ratio
...edited Dec 16 '14 at 5:02
Rizier123
55k1616 gold badges7777 silver badges119119 bronze badges
answered Dec 16 '14 at 4:40
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Why do results vary based on curly brace placement?
...matically terminated, so your first example looks effectively like this:
function test()
{
return; // <- notice the inserted semicolon
{
javascript: "fantastic"
};
}
See also Douglas Crockford's JS style guide, which mentions semicolon insertion.
In your second example you return ...
Disabled form inputs do not appear in the request
...;form action="/Media/Add">
<input type="hidden" name="Id" value="123" />
<input type="textbox" name="Percentage" value="100" readonly/>
</form>
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Need to handle uncaught exception and send log file
...ltUncaughtHandler = Thread.getDefaultUncaughtExceptionHandler();
override fun onCreate() {
//...
Thread.setDefaultUncaughtExceptionHandler { t, e ->
Crashlytics.logException(e)
defaultUncaughtHandler?.uncaughtException(t, e)
}
}
I hope it helps, it worked for me.. (:y...
remove all variables except functions
...
Here's a one-liner that removes all objects except for functions:
rm(list = setdiff(ls(), lsf.str()))
It uses setdiff to find the subset of objects in the global environment (as returned by ls()) that don't have mode function (as returned by lsf.str())
...
Set type for function parameters?
...a+b;
});
// call the function, with an invalid second argument
myFunc(123, '456')
// ERROR! Uncaught Error: TypeError : Expecting a Number in argument 2
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