大约有 2,600 项符合查询结果（耗时：0.0172秒） [XML]
How to export all data from table to an insertable sql format?
...nvarchar (max) = ''
DECLARE @Columns nvarchar(max)
DECLARE @ColumnsCast nvarchar(max)
-- cleanUp/prepraring data
SET @SchemaName = REPLACE(REPLACE(@SchemaName,'[',''),']','')
SET @TableName = REPLACE(REPLACE(@TableName,'[',''),']','')
SET @AsFileNAme = NULLIF(@AsFileNAme,'')...
Asp Net Web API 2.1 get client IP address
...
It's better to cast it to HttpContextBase, this way you can mock and test it more easily
public string GetUserIp(HttpRequestMessage request)
{
if (request.Properties.ContainsKey("MS_HttpContext"))
{
var ctx = request....
How to programmatically round corners and set random background colors
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If "v" is the TextView than v.getBackground() will cast "java.lang.ClassCastException: android.graphics.drawable.StateListDrawable cannot be cast to android.graphics.drawable.GradientDrawable" Was this realy working back in '13?
– sonavolob
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Should I use #define, enum or const?
...Assuming you have ruled out bitset, I vote for the enum.
I don't buy that casting the enums is a serious disadvantage - OK so it's a bit noisy, and assigning an out-of-range value to an enum is undefined behaviour so it's theoretically possible to shoot yourself in the foot on some unusual C++ impl...
Detect if value is number in MySQL
...('12.e-5'),('3.5e+6'),('a'),('e6'),('+e0');
select
col1,
col1 + 0 as casted,
col1 REGEXP '^[+-]?[0-9]*([0-9]\\.|[0-9]|\\.[0-9])[0-9]*(e[+-]?[0-9]+)?$' as isNumeric
from myTable;
Result:
col1 | casted | isNumeric
-------|---------|----------
00.00 | 0 | 1
+1 | 1...
php is null or empty?
... @Robert: A string not starting with digits is converted to 0 when cast to a string: codepad.org/qi40SG3E. So (int)"php" == 0.
– Felix Kling
Nov 27 '13 at 21:58
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How can mixed data types (int, float, char, etc) be stored in an array?
... x = r;
x.val = 25.0;
}
integer g = { INT, 100 };
record rg = g;
Up-casting and down-casting.
Edit: One gotcha to be aware of is if you're constructing one of these with C99 designated initializers. All member initializers should be through the same union member.
record problem = { .tag ...
Get an object's class name at runtime
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@Subash a terser way to avoid casting to any is console.log(instance.constructor['name']);
– Nick Strupat
Sep 2 '16 at 7:47
1
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YouTube iframe API: how do I control an iframe player that's already in the HTML?
...0 dispatch @ jquery-1.12.4.js:5226 elemData.handle @ jquery-1.12.4.js:4878 cast_sender.js:67 Uncaught DOMException: Failed to construct 'PresentationRequest': Presentation of an insecure document [cast:233637DE?capabilities=video_out%2Caudio_out&clientId=153262711713390989&autoJoinPolicy=tab...
How to dynamically create generic C# object using reflection? [duplicate]
...from Item
task.Process(new Item());
In any case, you won't be statically cast to a type you don't know beforehand ("makeme" in this case). ITask allows you to get to your target type.
If this is not what you want, you'll probably need to be a bit more specific in what you are trying to achieve wi...