大约有 41,000 项符合查询结果（耗时：0.0363秒） [XML]
How to get a float result by dividing two integer values using T-SQL?
...e if you're looking for a constant. If you need to use existing fields or parameters which are integers, you can cast them to be floats first:
SELECT CAST(1 AS float) / CAST(3 AS float)
or
SELECT CAST(MyIntField1 AS float) / CAST(MyIntField2 AS float)
...
Quick way to create a list of values in C#?
...
internal static class List
{
public static List<T> Of<T>(params T[] args)
{
return new List<T>(args);
}
}
And then usage is very compact:
List.Of("test1", "test2", "test3")
share
...
Java FileOutputStream Create File if not exists
...If file exits, clear its content:
/**
* Create file if not exist.
*
* @param path For example: "D:\foo.xml"
*/
public static void createFile(String path) {
try {
File file = new File(path);
if (!file.exists()) {
file.createNewFile();
} else {
...
Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
...ugly outerScopeVar which is completely useless in this case. Then we add a parameter which accepts a function argument, our callback. When the asynchronous operation finishes, we call this callback passing the result. The implementation (please read the comments in order):
// 1. Call helloCatAsync ...
Cookie blocked/not saved in IFRAME in Internet Explorer
...dd a compact policy "p3p" HTTP header
/// </summary>
/// <param name="filterContext"></param>
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
HttpContext.Current.Response.AddHeader("p3p","CP=\"IDC DSP COR ADM DEVi TAIi PSA PSD ...
Import SQL dump into PostgreSQL database
...
Good, but better append also the "-L logfile.log" param to log the output on file.
– zerologiko
Feb 12 '14 at 9:29
2
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Convert timestamp to readable date/time PHP
...:createFromFormat('U', $timestamp);
Following @sromero comment, timezone parameter (the 3rd param in DateTime::createFromFormat()) is ignored when unix timestamp is passed, so the below code is unnecessary.
$date = DateTime::createFromFormat('U', $timestamp, new DateTimeZone('UTC'); // not needed...
Node.js vs .Net performance
...;/summary>
private void PrintError(string msg, Exception ex = null, params object[] args)
{
StringBuilder sb = new System.Text.StringBuilder();
sb.Append("Error: ");
sb.AppendFormat(msg, args);
if (ex != null)
{
sb.Append("Exception: ");...
JSP tricks to make templating easier?
...;s:link href="/Customer.action" event="preEdit">
Edit
<s:param name="customer.customerId" value="${obj.customerId}"/>
<s:param name="page" value="${actionBean.page}"/>
</s:link>
</t:col>
</t:table>
Of course the tags work with the JSTL tags ...
How to Debug Variables in Smarty like in PHP var_dump()
...
Add an additional param to print_r() to make it return the output to smarty, to avoid an extra echo at the end: {$var|@print_r:true}
– ivanhoe
Dec 13 '14 at 9:54
...