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总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
...t z;
};情况1：两个无关的类之间的转换
// Convert between CBaseX* and CBaseY*
// CBaseX* 和 CBaseY*之间的转换
CBaseX* pX = new CBaseX();
// Error, types pointed to are unrelated
// 错误， 类型指向是无关的
// CBaseY*...
How do you get assembler output from C/C++ source in gcc?
... aforementioned gcc -S. Here's a very useful script by Loren Merritt that converts the default objdump syntax into the more readable nasm syntax:
#!/usr/bin/perl -w
$ptr='(BYTE|WORD|DWORD|QWORD|XMMWORD) PTR ';
$reg='(?:[er]?(?:[abcd]x|[sd]i|[sb]p)|[abcd][hl]|r1?[0-589][dwb]?|mm[0-7]|xmm1?[0-9])';
...
How do you specify a byte literal in Java?
...terals of a variety of other types (int, mostly) that are being implicitly converted to a byte. e.g., 1 is an int literal, but double d = 1; compiles just fine.
– smehmood
Aug 5 '14 at 2:18
...
How do I do base64 encoding on iOS?
...c(intLength, sizeof(unsigned char));
// Run through the whole string, converting as we go
while ( ((intCurrent = *objPointer++) != '\0') && (intLength-- > 0) ) {
if (intCurrent == '=') {
if (*objPointer != '=' && ((i % 4) == 1)) {// || (intLength > ...
Sequence contains more than one element
...c int GetPackage(int id,int emp)
{
int getpackages=Convert.ToInt32(EmployerSubscriptionPackage.GetAllData().Where(x
=> x.SubscriptionPackageID ==`enter code here` id && x.EmployerID==emp ).FirstOrDefault().ID);
return getpackages;
}
1...
Enum String Name from Value
...
You can convert the int back to an enumeration member with a simple cast, and then call ToString():
int value = GetValueFromDb();
var enumDisplayStatus = (EnumDisplayStatus)value;
string stringValue = enumDisplayStatus.ToString();
...
Why does a function with no parameters (compared to the actual function definition) compile?
... Arrays and
functions are not passed to functions, but are automatically converted
to pointers. If the list is terminated with an ellipsis (,...), then
there is no set number of parameters. Note: the header stdarg.h can be
used to access arguments when using an ellipsis.
And again for the ...
Get decimal portion of a number with JavaScript
...
You could convert to string, right?
n = (n + "").split(".");
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How to read json file into java with simple JSON library
...
You can use jackson library and simply use these 3 lines to convert your json file to Java Object.
ObjectMapper mapper = new ObjectMapper();
InputStream is = Test.class.getResourceAsStream("/test.json");
testObj = mapper.readValue(is, Test.class);
...
jsonify a SQLAlchemy result set in Flask [duplicate]
...(inst, cls):
"""
Jsonify the sql alchemy query result.
"""
convert = dict()
# add your coversions for things like datetime's
# and what-not that aren't serializable.
d = dict()
for c in cls.__table__.columns:
v = getattr(inst, c.name)
if c.type in con...