大约有 22,000 项符合查询结果（耗时：0.0190秒） [XML]
UnicodeDecodeError, invalid continuation byte
...t’s just the mechanical cause of the exception. In this case, you have a string that is almost certainly encoded in latin 1. You can see how UTF-8 and latin 1 look different:
>>> u'\xe9'.encode('utf-8')
b'\xc3\xa9'
>>> u'\xe9'.encode('latin-1')
b'\xe9'
(Note, I'm using a mix o...
How does grep run so fast?
...lly amazed by the functionality of GREP in shell, earlier I used to use substring method in java but now I use GREP for it and it executes in a matter of seconds, it is blazingly faster than java code that I used to write.(according to my experience I might be wrong though)
...
How to encrypt String in Java
What I need is to encrypt string which will show up in 2D barcode(PDF-417) so when someone get an idea to scan it will get nothing readable.
...
How to determine CPU and memory consumption from inside a process?
...used by current process:
#include "stdlib.h"
#include "stdio.h"
#include "string.h"
int parseLine(char* line){
// This assumes that a digit will be found and the line ends in " Kb".
int i = strlen(line);
const char* p = line;
while (*p <'0' || *p > '9') p++;
line[i-3] = '...
How do I add custom field to Python log format string?
My current format string is:
7 Answers
7
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How to round an average to 2 decimal places in PostgreSQL?
...ec',1); -- 3.1 float!
SELECT round(2.8+1/3.,'dec'::text); -- need to cast string? pg bug
PS: checking \df round after overloadings, will show something like,
Schema | Name | Result data type | Argument data types
------------+-------+------------------+----------------------------
mysch...
Is there a way to escape a CDATA end token in xml?
...DIT2: The same section also reads:
Within a CDATA section, only the CDEnd string is recognized as markup, so that left angle brackets and ampersands may occur in their literal form; they need not (and cannot) be escaped using "&lt;" and "&amp;". CDATA sections cannot nest.
In other words, ...
Stack smashing detected
...s protection variables (called canaries) which have known values. An input string of size greater than 10 causes corruption of this variable resulting in SIGABRT to terminate the program.
To get some insight, you can try disabling this protection of gcc using option -fno-stack-protector while co...
Split column at delimiter in data frame [duplicate]
...E)) is 1 -- as the docs say: "...but if there is a match at the end of the string, the output is the same as with the match removed." As @YuShen says, this solution will "recycle". For me, I just wanted empty spaces, not recycling.
– The Red Pea
Oct 26 '15 at 2...
Input from the keyboard in command line application
...out dropping down in to C:
My solution is as follows:
func input() -> String {
var keyboard = NSFileHandle.fileHandleWithStandardInput()
var inputData = keyboard.availableData
return NSString(data: inputData, encoding:NSUTF8StringEncoding)!
}
More recent versions of Xcode need an ...