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What is the maximum possible length of a query string?
...r Protocol — HTTP/1.1) states there is no limit to the length of a query string (section 3.2.1). RFC 3986 (Uniform Resource Identifier — URI) also states there is no limit, but indicates the hostname is limited to 255 characters because of DNS limitations (section 2.3.3).
While the specificatio...
How to call any method asynchronously in c#
...to simplify the call without having to create delegates:
void Foo2(int x, string y)
{
return;
}
...
new Task(() => { Foo2(42, "life, the universe, and everything");}).Start();
I'm pretty sure (but admittedly not positive) that the C# 5 async/await syntax is just syntactic sugar around the ...
json.net has key method?
...
JObject implements IDictionary<string, JToken>, so you can use:
IDictionary<string, JToken> dictionary = x;
if (dictionary.ContainsKey("error_msg"))
... or you could use TryGetValue. It implements both methods using explicit interface implement...
Android preferences onclick event
...etter, especially because it doesn't use the now deprecated findPreference(String key) method and because it's just cleaner overall.
– lyallcooper
Jun 4 '13 at 0:00
...
jQuery how to find an element based on a data-attribute value?
...e descendants of that element, but using the filter syntax in the selector string will simply filter the results.
– Phil
Oct 5 '16 at 11:51
add a comment
|...
SCOPE_IDENTITY() for GUIDs?
...read the value from .Net you would just use the ExecuteScalar method.
...
string sql = "INSERT INTO GuidTest(IntColumn) OUTPUT inserted.GuidColumn VALUES(1)";
SqlCommand cmd = new SqlCommand(sql, conn);
Guid guid = (Guid)cmd.ExecuteScalar();
...
...
Why do most fields (class members) in Android tutorial start with `m`?
... Use m prefix for non-public and non-static fields.
When to Use?
private String mCityName;
private float mTemperature;
When not to Use?
public static int mFirstNumber;
public static final String mDATABASE_NAME;
What I do?
Personally, I don't use it. It makes the code more complicated and cha...
How to use concerns in Rails 4
...tags, through: :taggings
class_attribute :tag_limit
end
def tags_string
tags.map(&:name).join(', ')
end
def tags_string=(tag_string)
tag_names = tag_string.to_s.split(', ')
tag_names.each do |tag_name|
tags.build(name: tag_name)
end
end
# methods define...
All falsey values in JavaScript
...Int type: 0n and -0n (new in 2020, thanks GetMeARemoteJob)
"", '' and `` - strings of length 0
null
undefined
NaN
document.all (in HTML browsers only)
This is a weird one. document.all is a falsey object, with typeof as undefined. It was a Microsoft-proprietory function in IE before IE11, and was...
Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
...om%2fquestions%2f12353820%2fsort-rows-in-data-table-in-decreasing-order-on-string-key-order-x-v-gives-er%23new-answer', 'question_page');
}
);
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