大约有 41,000 项符合查询结果（耗时：0.0418秒） [XML]
Convert Linq Query Result to Dictionary
... @pawan - that doesn't look right. I'd expect var servers = list.Select( s => new { s.ProjectName, Url = "tcp://" + s.BuildMachineName + ":" + s.PortNumber + "/CruiseManager.rem" } ).ToDictionary( s => s.ProjectName, s.Url ); This creates a dictionary keyed by project name of projec...
Why is an array not assignable to Iterable?
...able forces adding an iterator method, and arrays don't implement methods. char[] doesn't even override toString. Anyway, arrays of references should be considered less than ideal - use Lists. As dfa comments, Arrays.asList will do the conversion for you, explicitly.
(Having said that, you can call...
Why does MYSQL higher LIMIT offset slow the query down?
...h more than 16 million records [2GB in size]. The higher LIMIT offset with SELECT, the slower the query becomes, when using ORDER BY *primary_key*
...
What is the rationale for fread/fwrite taking size and count as arguments?
...ion and the
results stored, in the order read, in
an array of unsigned char exactly
overlaying the object.
fgetc also has this note:
Since fgetc() operates on bytes,
reading a character consisting of
multiple bytes (or "a multi-byte
character") may require multiple calls
to fgetc...
Is there a standard for storing normalized phone numbers in a database?
...
A good old nvarchar(42) with a bit of validation /^+?[0-9 -\.\(\)#*]{4,41}$/ works very well!
– SandRock
Apr 5 '12 at 20:19
...
List of tables, db schema, dump etc using the Python sqlite3 API
....tab
job snmptarget t1 t2 t3
sqlite> select name from sqlite_master where type = 'table';
job
t1
t2
snmptarget
t3
sqlite> .schema job
CREATE TABLE job (
id INTEGER PRIMARY KEY,
data VARCHAR
);
sqlite> select sql from sqlite_master where type = 'ta...
Are there any disadvantages to always using nvarchar(MAX)?
...E @SomeString NVARCHAR(10),
@StartTime DATETIME;
--=====
SELECT @startTime = GETDATE();
SELECT TOP 1000000
@SomeString = 'ABC'
FROM master.sys.all_columns ac1,
master.sys.all_columns ac2;
SELECT testTime='10', Duration = DATEDIFF(ms,@StartTime,GETDATE());
GO
--...
Why is setTimeout(fn, 0) sometimes useful?
... recently run into a rather nasty bug, wherein the code was loading a <select> dynamically via JavaScript. This dynamically loaded <select> had a pre-selected value. In IE6, we already had code to fix the selected <option> , because sometimes the <select> 's selected...
Resharper Alt Enter not working
...g the radio buttons and clicking OK. Then switching back to the previously selected radiobutton.
Edit
Here is how to change/assign keyshort cuts in Visual Studio/Resharper from JetBrains Knowledge Base
The command you are looking for is called "ReSharper_QuickFix". In version 8, this is called "R...
How to export table as CSV with headings on Postgresql?
...
@arilwan psql -c "\COPY (SELECT * FROM mytable) TO STDOUT" > mytable.csv
– Juha Palomäki
Jun 6 '19 at 16:00
...