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深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...一致：
void printStringByChar(std::string &str) {
char *p = const_cast<char *> (str.c_str());
char q[1024];
while (*p != '\0') {
sprintf(q, "%02x, %u, %c", *p, *p, *p);
std::cout << q << std::endl;
p++;
}
}
（十六进制，无符号整形，字符型）
Shift-jis:
0xff...
How to read and write excel file
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in fact, just remove the (short) cast poi.apache.org/apidocs/org/apache/poi/hssf/usermodel/…
– nicolallias
Dec 23 '14 at 14:18
1
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Can I call a base class's virtual function if I'm overriding it?
...in this Question, this shouldn't work because of protected inheritance. To cast a base class pointer you have to use public inheritance.
– Darkproduct
Jun 3 at 9:06
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How to check edittext's text is email address or not?
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String implements CharSequence so I think the cast from email to inputStr is redundant.
– nuala
Aug 2 '12 at 15:11
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How to create index on JSON field in Postgres?
...to do integer comparisons instead of string comparisons, you have to add a cast: ((info->>'name')::INT).
– jpmc26
Oct 6 '15 at 19:44
13
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Signed versus Unsigned Integers
...es, you could do:
i = ((int) b[j]) << 8 | b[j+1]
(should probably cast the 2nd byte, but I'm guessing the compiler will do the right thing)
With signed values you would have to worry about sign extension and do:
i = (((int) b[i]) & 0xFF) << 8 | ((int) b[i+1]) & 0xFF
...
Remove all the elements that occur in one list from another
...[2,3,5,8])
# v `filter` returns the a iterator object. Here I'm type-casting
# v it to `list` in order to display the resultant value
>>> list(filter(lambda x: x not in l2, l1))
[1, 6]
Performance Comparison
Here I am comparing the performance of all the answers mentioned her...
Spring RestTemplate timeout
... The above code doesn't work in latest Spring. It gives ClassCastException java.lang.ClassCastException: org.springframework.http.client.InterceptingClientHttpRequestFactory cannot be cast to org.springframework.http.client.HttpComponentsClientHttpRequestFactory
–...
What is the Swift equivalent of isEqualToString in Objective-C?
... operator because String in swift is of type struct not class. If you type cast your text/string as NSString you can compare using === operator.
– sanjana
Jun 14 '15 at 1:05
3
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const char* concatenation
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@luiscubal: Yes that would work too...just use a (char*) cast, as calloc returns void*
– codaddict
Jan 3 '10 at 14:31
5
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