大约有 13,000 项符合查询结果（耗时：0.0197秒） [XML]
What's the magic of “-” (a dash) in command-line parameters?
.../home | aescrypt -e -p apples -o backup_files.tar.aes - because the piping char | should make the presence of the last dash unnecessary. But without the last dash the command fails. Sounds illogical. Can someone please give me a reference where the naked dash meaning in command lines is explained. I...
How to add reference to a method parameter in javadoc?
...ass:
/**
* Allocates a new <code>String</code> that contains characters from
* a subarray of the character array argument. The <code>offset</code>
* argument is the index of the first character of the subarray and
* the <code>count</code> argument specifies t...
Executing a command stored in a variable from PowerShell
...h was included, verify that the path is correct and try again. At :line:14 char:1 + & <<<< $cmd1
– Travis
Aug 28 '10 at 23:29
...
Set TextView text from html-formatted string resource in XML
...use HTML markup in your Strings, you don't have to change a lot:
The only characters that you need to escape in your String resources are:
double quotation mark: " becomes \"
single quotation mark: ' becomes \'
ampersand: & becomes &#38; or &amp;
That means you can add your HTML mar...
What is a non-capturing group in regular expressions?
...over it:
\b(\S)(\S)(\S)(\S*)\b
This regex matches words with at least 3 characters, and uses groups to separate the first three letters. The result is this:
Match "Lorem"
Group 1: "L"
Group 2: "o"
Group 3: "r"
Group 4: "em"
Match "ipsum"
Group 1: "i"
Group 2: "p"
...
Create objective-c class instance by name?
...runtime.h>
//Declaration in the above named file
id objc_getClass(const char* name);
//Usage
id c = objc_getClass("Object");
[ [ c alloc ] free ];
Under the Objective-C (1.0 or unnamed version) you would utilize the following:
#import <objc/objc-api.h>
//Declaration within the above name...
What is a unix command for deleting the first N characters of a line?
...
Use cut. Eg. to strip the first 4 characters of each line (i.e. start on the 5th char):
tail -f logfile | grep org.springframework | cut -c 5-
share
|
impr...
How to get std::vector pointer to the raw data?
I'm trying to use std::vector as a char array.
3 Answers
3
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C++ where to initialize static const
... static const string s; // Can never be initialized here.
static const char* cs; // Same with C strings.
static const int i = 3; // Integral types can be initialized here (*)...
static const int j; // ... OR in cpp.
};
foo.cpp
#include "foo.h"
const string foo::s = "foo string";
...
Regex to remove all (non numeric OR period)
... What about joe.smith ($3,004.50)? Simply removing offending character classes can go quite wrong.
– Matthew Gunn
Dec 3 '15 at 9:23
2
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