大约有 30,000 项符合查询结果(耗时:0.0306秒) [XML]
Evaluating string “3*(4+2)” yield int 18 [duplicate]
...n the .NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.:
14 Answers
...
How to use null in switch
...l throw a NullPointerException when i is null.
* Since Java 7 you can use String in switch statements.
More about switch (including example with null variable) in Oracle Docs - Switch
share
|
impr...
How to remove the hash from window.location (URL) with JavaScript without page refresh?
...
Use this line to make sure you don't lose the query string: history.pushState("", document.title, window.location.pathname + window.location.search);
– Phil Kulak
Mar 13 '12 at 15:56
...
How to convert UTF-8 byte[] to string?
...
string result = System.Text.Encoding.UTF8.GetString(byteArray);
share
|
improve this answer
|
foll...
How do I disable the 'Debug / Close Application' dialog on Windows Vista?
... tests!\n");
exit(1);
}
int runtime_check_handler(int errorType, const char *filename, int linenumber, const char *moduleName, const char *format, ...)
{
printf("Error type %d at %s line %d in %s", errorType, filename, linenumber, moduleName);
exit(1);
}
int main()
{
DWORD dwMode = ...
How to convert an object to a byte array in C#
...Example:
public class MyClass {
public int Id { get; set; }
public string Name { get; set; }
public byte[] Serialize() {
using (MemoryStream m = new MemoryStream()) {
using (BinaryWriter writer = new BinaryWriter(m)) {
writer.Write(Id);
writer.Write...
PHP function to make slug (URL string)
I want to have a function to create slugs from Unicode strings, e.g. gen_slug('Andrés Cortez') should return andres-cortez . How should I do that?
...
Code Golf: Lasers
The shortest code by character count to input a 2D representation of a board, and output 'true' or 'false' according to the input .
...
In Java, what is the best way to determine the size of an object?
...te static Instrumentation instrumentation;
public static void premain(String args, Instrumentation inst) {
instrumentation = inst;
}
public static long getObjectSize(Object o) {
return instrumentation.getObjectSize(o);
}
}
Add the following to your MANIFEST.MF:
P...
MySQL select where column is not empty
...
Compare value of phone2 with empty string:
select phone, phone2
from jewishyellow.users
where phone like '813%' and phone2<>''
Note that NULL value is interpreted as false.
...