大约有 22,000 项符合查询结果（耗时：0.0299秒） [XML]
TypeError: 'str' does not support the buffer interface
...
If you use Python3x then string is not the same type as for Python 2.x, you must cast it to bytes (encode it).
plaintext = input("Please enter the text you want to compress")
filename = input("Please enter the desired filename")
with gzip.open(filen...
Pad a number with leading zeros in JavaScript [duplicate]
... or at least not completely; it treats them as if their value is the empty string. Thus you get a copy of the zero character (or whatever "z" is) between each of the array elements; that's why there's a + 1 in there.
Example usage:
pad(10, 4); // 0010
pad(9, 4); // 0009
pad(123, 4); ...
How do I create and access the global variables in Groovy?
...he @Field annotation.
import groovy.transform.Field
var1 = 'var1'
@Field String var2 = 'var2'
def var3 = 'var3'
void printVars() {
println var1
println var2
println var3 // This won't work, because not in script scope.
}
...
Rank function in MySQL
...arate SET command.
Test case:
CREATE TABLE person (id int, first_name varchar(20), age int, gender char(1));
INSERT INTO person VALUES (1, 'Bob', 25, 'M');
INSERT INTO person VALUES (2, 'Jane', 20, 'F');
INSERT INTO person VALUES (3, 'Jack', 30, 'M');
INSERT INTO person VALUES (4, 'Bill', 32, 'M'...
Restful API service
...l ResultReceiver receiver = intent.getParcelableExtra("receiver");
String command = intent.getStringExtra("command");
Bundle b = new Bundle();
if(command.equals("query") {
receiver.send(STATUS_RUNNING, Bundle.EMPTY);
try {
// get some d...
How do you bind an Enum to a DropDownList control in ASP.NET?
...s and getNames return the same, the first like objects and the second like string. The definition of the enum is like this: public enum eResult { Right = 1, NoncontrolledError = 2,}
– Javiere
Jun 26 '13 at 11:27
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Purpose of Unions in C and C++
...he union is actually used:
struct VAROBJECT
{
enum o_t { Int, Double, String } objectType;
union
{
int intValue;
double dblValue;
char *strValue;
} value;
} object;
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Add text to Existing PDF using Python
...eate a new pdf containing your text to add using ReportLab, save this as a string object
read the string object using PdfFileReader(), we'll call this text
create a new PDF object using PdfFileWriter(), we'll call this output
iterate through input and apply .mergePage(*text*.getPage(0)) for each pag...
jQuery removing '-' character from string
I have a string "-123445". Is it possible to remove the '-' character from the string?
3 Answers
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Realistic usage of the C99 'restrict' keyword?
...ons could be saved, as mentioned by supercat.
Consider for example:
void f(char *restrict p1, char *restrict p2) {
for (int i = 0; i < 50; i++) {
p1[i] = 4;
p2[i] = 9;
}
}
Because of restrict, a smart compiler (or human), could optimize that to:
memset(p1, 4, 50);
memset(...