大约有 47,000 项符合查询结果（耗时：0.0951秒） [XML]
How to update a value, given a key in a hashmap?
Suppose we have a HashMap<String, Integer> in Java.
17 Answers
17
...
How do I Geocode 20 addresses without receiving an OVER_QUERY_LIMIT response?
...calculations.
-- Returns various prototypes to fetch position from strings or coords or dragons or whatever.
*/
var Geolocalizer = function () {
this.queue = []; // queue handler..
this.resolved = [];
this.geolocalizer = new google.maps.Geocoder();
};
Geolo...
Multiple INSERT statements vs. single INSERT with multiple VALUES
... the names in the stack trace it appears to spend a lot of time comparing strings.
This KB article indicates that DeriveNormalizedGroupProperties is associated with what used to be called the normalization stage of query processing
This stage is now called binding or algebrizing and it takes the...
How to return smart pointers (shared_ptr), by reference or by value?
...Be honest: how does the following code make you feel?
std::vector<std::string> get_names();
...
std::vector<std::string> const names = get_names();
Frankly, even though I should know better, it makes me nervous. In principle, when get_names()
returns, we have to copy a vector of...
Case-insensitive search in Rails model
...
@botbot's comment does not apply to strings from user input. "#$$" is a little-known shortcut for escaping global variables with Ruby string interpolation. It's equivalent to "#{$$}". But string interpolation doesn't happen to user-input strings. Try these in I...
What's the difference between Ruby's dup and clone methods?
...e object, but where the apple object references other objects (such as the String object color), those references are not copied. Instead, apple and orange both reference the same object! In our example, the reference is the string object 'red'. When orange uses the append method, <<, to modif...
Nokogiri installation fails -libxml2 is missing
I always worked my way around Nokogiri installation issues by following the documentation in the " Installing Nokogiri " tutorial.
...
Display lines number in Stack Trace for .NET assembly in Release mode
...
This works every time. You just need to substring the stack trace message. Real Easy! Also, in vb.net you do need to do the "Show All Files" and include the pdb.
'Err is the exception passed to this function
Dim lineGrab As String = err.StackTrace.Substring(err.Stac...
How to retrieve the current version of a MySQL database management system (DBMS)?
What command returns the current version of a MySQL database?
19 Answers
19
...
Server.Transfer Vs. Response.Redirect
... the same and, with a little bug-bashing, allows you to transfer the query string and form variables.
Something I found and agree with (source):
Server.Transfer is similar in that it sends the user to another page
with a statement such as Server.Transfer("WebForm2.aspx"). However,
the state...