大约有 16,000 项符合查询结果（耗时：0.0335秒） [XML]
Why is auto_ptr being deprecated?
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@HowardHinnant interesting doc! it is strange in a sense that if std::sort() is has a specialization for std::unique_ptr to use the move semantic as needed. I wonder why std::sort() can't be specialized for std::auto_ptr to correct the cop...
Titlecasing a string with exceptions
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The titlecase module doesn't work if the string you are converting contains a number anywhere in it.
– Troy
Jul 24 '13 at 23:57
1
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URLs: Dash vs. Underscore [closed]
... still use the underbar as a word delimiter, e.g. UseTwo-wayLinks could be converted to use_two-way_links.
In your example, /about-us would be a directory named the hyphenated word "about-us" (if such a word existed, and /about_us would be a directory named the two-word phrase "about us" converted ...
What's wrong with overridable method calls in constructors?
...ideMe();
}
class Child extends Base {
final int x;
Child(int x) {
this.x = x;
}
@Override
void overrideMe() {
System.out.println(x);
}
}
new Child(42); // prin...
PreparedStatement with list of parameters in a IN clause [duplicate]
...t possibleValues = ...
StringBuilder builder = new StringBuilder();
for( int i = 0 ; i < possibleValue.size(); i++ ) {
builder.append("?,");
}
String stmt = "select * from test where field in ("
+ builder.deleteCharAt( builder.length() -1 ).toString() + ")";
PreparedStateme...
Get Image size WITHOUT loading image into memory
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As the comments allude, PIL does not load the image into memory when calling .open. Looking at the docs of PIL 1.1.7, the docstring for .open says:
def open(fp, mode="r"):
"Open an image file, without loading the raster data"
There are a few file operations in the sourc...
Tool to generate JSON schema from JSON data [closed]
...so far:
Online:
https://www.liquid-technologies.com/online-json-to-schema-converter (1 input)
http://www.jsonschema.net (1 input)
https://easy-json-schema.github.io (1 input)
Python:
https://github.com/gonvaled/jskemator (1 input but allows iteration)
https://github.com/perenecabuto/json_schema_g...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...一种：fgets、fputs简单读写，一般用于处理文本文件。
int main(int argc, char* argv[])
{
FILE *fp = NULL;
/*打开文件*/
if((fp = fopen("test.txt", "w+")) == NULL)
{
printf("文件打开出错，请检查文件是否存在！\n");
return -1;
}
else
{
pri...
How to do ToString for a possibly null object?
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It would be great if Convert.ToString() had a proper overload for this.
There's been a Convert.ToString(Object value) since .Net 2.0 (approx. 5 years before this Q was asked), which appears to do exactly what you want:
http://msdn.microsoft.co...
Difference between Mutable objects and Immutable objects [duplicate]
...For example a simple Comparator Implementation).
class Mutable{
private int value;
public Mutable(int value) {
this.value = value;
}
//getter and setter for value
}
class Immutable {
private final int value;
public Immutable(int value) {
this.value = value;
}
//only g...