大约有 2,600 项符合查询结果(耗时:0.0214秒) [XML]
How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
...alise strings that will be modified, because they are of type const char*. Casting away the constness to later modify them is undefined behaviour, so you have to copy your const char* strings char by char into dynamically allocated char* strings in order to modify them.
Example:
#include <iostr...
What is the rationale for fread/fwrite taking size and count as arguments?
...lad someone brought this up. I did a lot of work with filesystem specs and FTP and records/pages and other blocking concepts are very firmly supported, although nobody uses those parts of the specs anymore.
– Matt Joiner
Sep 19 '10 at 4:58
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How to determine if a string is a number with C++?
...
You can do it the C++ way with boost::lexical_cast. If you really insist on not using boost you can just examine what it does and do that. It's pretty simple.
try
{
double x = boost::lexical_cast<double>(str); // double could be anything with >> operato...
Java: Date from unix timestamp
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The cast to (long) is very important: without it the integer overflows.
– mneri
Jun 11 '14 at 17:18
2
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Test if a property is available on a dynamic variable
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@ministrymason If you mean casting to IDictionary and work with that, that works only on ExpandoObject, it won't work on any other dynamic object.
– svick
Jul 12 '12 at 16:58
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How do I convert Word files to PDF programmatically? [closed]
...ScreenUpdating = false;
foreach (FileInfo wordFile in wordFiles)
{
// Cast as Object for word Open method
Object filename = (Object)wordFile.FullName;
// Use the dummy value as a placeholder for optional arguments
Document doc = word.Documents.Open(ref filename, ref oMissing,
...
NSLog an object's memory address in overridden description method
... Additional note: %p expects a pointer of type void *, you have to cast self back to void *, else undefined behavior occurs.
– user529758
Jun 2 '13 at 20:23
4
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Turning a Comma Separated string into individual rows
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The LEFT functions may need a CAST to work....for example LEFT(CAST(Data AS VARCHAR(MAX))....
– smoore4
Jul 15 '16 at 15:27
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How to simplify a null-safe compareTo() implementation?
... in most projects. (Sure, there are exceptions; for example if I needed an FTP client for some reason, I'd probably use the one in Apache Commons Net, and so on.)
– Jonik
Jul 12 '16 at 19:42
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Update all values of a column to lowercase
...hes the given name and argument types. You might need to add explicit type casts.
– Luna Lovegood
Oct 11 '19 at 7:16
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