大约有 19,000 项符合查询结果（耗时：0.0376秒） [XML]
What are the main performance differences between varchar and nvarchar SQL Server data types?
... using 3 letter codes. And consider using a binary Collation such as Latin1_General_100_BIN2.
If storing postal codes (i.e. zip codes), use VARCHAR since it is an international standard to never use any letter outside of A-Z. And yes, still use VARCHAR even if only storing US zip codes and not INT s...
Could not find default endpoint element
...s everywhere.
var remoteAddress = new System.ServiceModel.EndpointAddress(_webServiceUrl);
using (var productService = new ProductClient(new System.ServiceModel.BasicHttpBinding(), remoteAddress))
{
//set timeout
productService.Endpoint.Binding.SendTimeout = new TimeSpan(0,0,0,_webServiceT...
Smart way to truncate long strings
...
Use either lodash's truncate
_.truncate('hi-diddly-ho there, neighborino');
// → 'hi-diddly-ho there, neighbo…'
or underscore.string's truncate.
_('Hello world').truncate(5); => 'Hello...'
...
Get difference between 2 dates in JavaScript? [duplicate]
... between those two UTC dates.
Now, the solution can be written as,
const _MS_PER_DAY = 1000 * 60 * 60 * 24;
// a and b are javascript Date objects
function dateDiffInDays(a, b) {
// Discard the time and time-zone information.
const utc1 = Date.UTC(a.getFullYear(), a.getMonth(), a.getDate());
...
Checkbox for nullable boolean
... to be given to the radio button field
var id = string.Format("{0}_{1}", metaData.PropertyName, item.Value);
// Create and populate a radio button using the existing html helpers
var label = htmlHelper.Label(id, HttpUtility.HtmlEncode(item.Text));
var radio = Stri...
How to prevent a background process from being stopped after closing SSH client in Linux
... between you and the process.
Create as coproc.sh:
#!/bin/bash
IFS=
run_in_coproc () {
echo "coproc[$1] -> main"
read -r; echo $REPLY
}
# dynamic-coprocess-generator. nice.
_coproc () {
local i o e n=${1//[^A-Za-z0-9_]}; shift
exec {i}<> <(:) {o}<> >(:) {e}&...
Functional programming - is immutability expensive? [closed]
...e {
val pivot = xs(xs.length/2)
val (small,big) = xs.partition(_ < pivot)
if (small.length == 0) {
val (bigger,same) = big.partition(_ > pivot)
same ++ fpSort(bigger)
}
else fpSort(small) ++ fpSort(big)
}
}
// Utility function to repeat so...
Entity Framework 6 Code first Default value
...unt} nvarchar(128)
SELECT @var{dropConstraintCount} = name
FROM sys.default_constraints
WHERE parent_object_id = object_id(N'{tableSchema}.[{tablePureName}]')
AND col_name(parent_object_id, parent_column_id) = '{columnName}';
IF @var{dropConstraintCount} IS NOT NULL
EXECUTE('ALTER TABLE {tableSc...
Subscripts in plots in R
... How to load "2" from the variable? I have a loop and need to plot x_[1] x_[2] x_[3] ...
– 0x2207
Dec 11 '14 at 11:38
6
...
What is a web service endpoint?
...Service– a collection of related endpoints.
http://www.ehow.com/info_12212371_definition-service-endpoint.html
The endpoint is a connection point where HTML files or active server pages are exposed. Endpoints provide information needed to address a Web service endpoint. The endpoint provi...