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.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
....x to 2.0, or if Microsoft decides to change the recommendation again:
if(string.IsNullOrEmpty(Configuration.AppSettings("foobar")))
{
throw CreateMissingSettingException("foobar");
}
...
private static Exception CreateMissingSettingException(string name)
{
return new ConfigurationErrorsEx...
Encoding URL query parameters in Java
...
java.net.URLEncoder.encode(String s, String encoding) can help too. It follows the HTML form encoding application/x-www-form-urlencoded.
URLEncoder.encode(query, "UTF-8");
On the other hand, Percent-encoding (also known as URL encoding) encodes sp...
How can I initialize an ArrayList with all zeroes in Java?
...os where nCopies is useful with reference types: Immutable objects such as strings, null-object patterns, enum constants, ... Anyway, I updated the answer with a solution for creating 60 different objects.
– aioobe
Mar 2 '15 at 18:04
...
Why is Scala's immutable Set not covariant in its type?
...inference is good enough to figure out that you want CharSequences and not Strings in some situations. In particular, the following works for me in 2.7.3:
import scala.collections.immutable._
def findCharSequences(): Set[CharSequence] = Set("Hello", "World")
As to how to create immutable.HashSets...
Call one constructor from another
...
Like this:
public Sample(string str) : this(int.Parse(str)) { }
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Get the last inserted row ID (with SQL statement) [duplicate]
...ou haven't inserted another row - it just returns the last IDENTITY value handed out in this scope here.
There are at least two more options - @@IDENTITY and IDENT_CURRENT - read more about how they works and in what way they're different (and might give you unexpected results) in this excellent bl...
Laravel migration: unique key is too long, even if specified
...
Specify a smaller length for your e-mail:
$table->string('email', 250);
Which is the default, actually:
$table->string('email');
And you should be good.
For Laravel 5.4 you can find a solution in this Laravel 5.4: Specified key was too long error, Laravel News post:...
What is “above-the-fold content” in Google Pagespeed?
... There were a couple of things I could do nothing about such as the query string from web fonts. I was very happy with this as this represented all that I could do.
...
How may I reference the script tag that loaded the currently-executing script?
...t>
var me = document.currentScript;
</script>
Benefits
Simple and explicit. Reliable.
Don't need to modify the script tag
Works with asynchronous scripts (defer & async)
Works with scripts inserted dynamically
Problems
Will not work in older browsers and IE.
Does not work with m...
Detect Windows version in .net
...this when I had to determine various Microsoft Operating System versions:
string getOSInfo()
{
//Get Operating system information.
OperatingSystem os = Environment.OSVersion;
//Get version information about the os.
Version vs = os.Version;
//Variable to hold our return value
stri...