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Most efficient T-SQL way to pad a varchar on the left to a certain length?
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I know this was originally asked back in 2008, but there are some new functions that were introduced with SQL Server 2012. The FORMAT function simplifies padding left with zeros nicely. It will also perform the conversion for you:
declare @n as int = 2
select FORMAT(@n, 'd10') as padWith...
How update the _id of one MongoDB Document?
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You cannot update it. You'll have to save the document using a new _id, and then remove the old document.
// store the document in a variable
doc = db.clients.findOne({_id: ObjectId("4cc45467c55f4d2d2a000002")})
// set a new _id on the document
doc._id = ObjectId("4c8a331bda76c559ef000...
Returning JSON from a PHP Script
... should use header() commands only in addition with output buffering to avoid "headers already sent" warnings
– Kevin
Jul 2 '14 at 16:51
6
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Put content in HttpResponseMessage object?
...e quickest way is to use the StringContent constructor
response.Content = new StringContent("Your response text");
There are a number of additional HttpContent class descendants for other common scenarios.
share
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What does auto&& tell us?
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The auto && syntax uses two new features of C++11:
The auto part lets the compiler deduce the type based on the context (the return value in this case). This is without any reference qualifications (allowing you to specify whether you want T, T & ...
Convert List into Comma-Separated String
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Enjoy!
Console.WriteLine(String.Join(",", new List<uint> { 1, 2, 3, 4, 5 }));
First Parameter: ","
Second Parameter: new List<uint> { 1, 2, 3, 4, 5 })
String.Join will take a list as a the second parameter and join all of the elements using the string ...
How to implement Enums in Ruby?
...ng code with literal strings.
postal_code[:minnesota] = "MN"
postal_code[:new_york] = "NY"
Constants are appropriate when you have an underlying value that is important. Just declare a module to hold your constants and then declare the constants within that.
module Foo
BAR = 1
BAZ = 2
BIZ ...
How can I add reflection to a C++ application?
...tself. It allows functions to be called as follows:
MyClass *instance_ptr=new MyClass;
GetClass("MyClass")->GetFunction("Foo")->Invoke(instance_ptr,1.331);
This effectively does:
instance_ptr->Foo(1.331);
The Invoke(this_pointer,...) function has variable arguments. Obviously by calli...
Convert form data to JavaScript object with jQuery
... // Adjust reverse_key
reverse_key = reverse_key.replace(new RegExp("\\[" + k + "\\]$"), '');
// Push
if(k.match(patterns.push)){
merge = self.build([], self.push_counter(reverse_key), merge);
}
/...
What's the most efficient test of whether a PHP string ends with another string?
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What Assaf said is correct. There is a built in function in PHP to do exactly that.
substr_compare($str, $test, strlen($str)-strlen($test), strlen($test)) === 0;
If $test is longer than $str PHP will give a warning, so you need to chec...