大约有 2,253 项符合查询结果（耗时：0.0369秒） [XML]
SQL Server Text type vs. varchar data type [closed]
...05 you can directly access TEXT columns (though you still need an explicit cast to VARCHAR to assign a value for them).
TEXT is good:
If you need to store large texts in your database
If you do not search on the value of the column
If you select this column rarely and do not join on it.
VARCHAR is...
Initialize a byte array to a certain value, other than the default null? [duplicate]
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It is also required to cast the element to repeat to byte to get a Byte array, rather than an Int32 array as it would come out in this case. Aka byte[] arr1 = Enumerable.Repeat((byte)0x20, 100).ToArray();
– Ray
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KeyValuePair VS DictionaryEntry
...able = new Hashtable();
foreach (DictionaryEntry item in hashtable) {
// Cast required because compiler doesn't know it's a <string, int> pair.
int i = (int) item.Value;
}
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List of strings to one string
...e! only remark: Join doesn't need los.ToArray(), because List<T> can cast IEnumarable<T>.
– Nuri YILMAZ
Mar 10 '11 at 19:40
8
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
...ject from 0 which is an integer.
0 == False returns True because False is cast to an integer. int(False) returns 0
The python documentation of the == operator says (help('==')):
The operators <, >, ==, >=, <=, and != compare the values of two objects. The objects need not have the...
How to replace all occurrences of a character in string?
...td::string::replace() instead of std::replace()! 'x' (char) is implicitely casted to size_t [value 120], thus the whole string or or part of it will be filled up with 120 copies of 'y'.
– IBue
Feb 19 '15 at 18:41
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How do you get assembler output from C/C++ source in gcc?
...+ from a DOS window on Win-XP, against a routine that contains an implicit cast
c:\gpp_code>g++ -g -O -Wa,-aslh horton_ex2_05.cpp >list.txt
horton_ex2_05.cpp: In function `int main()':
horton_ex2_05.cpp:92: warning: assignment to `int' from `double'
The output is asssembled generated code i...
How do I invoke a Java method when given the method name as a string?
...me);
String name = (String) getNameMethod.invoke(dog); // explicit cast
// with multiple parameters
methodName = "printDog";
Class<?>[] paramTypes = {String.class, int.class};
Method printDogMethod = dog.getClass().getMethod(methodName, paramTypes);
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Getting current unixtimestamp using Moment.js
.... Which moment.js won't actually parse back afterwards, unless you convert/cast it back to a number first.
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How to convert an IPv4 address into a integer in C#?
...v4, an int can't hold addresses bigger than 127.255.255.255, e.g. the broadcast address (255.255.255.255), so use a uint.
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