大约有 41,000 项符合查询结果（耗时：0.0352秒） [XML]
How can I clear or empty a StringBuilder? [duplicate]
...eap! How can you say that? Suppose you have a buffer with capacity of 1000 chars. Then you dispose of it (work for GC) and create a new one (work for allocator). It's a lot faster just to set the text length to zero (virtually no work for CPU) and reuse the same buffer.
– Sulth...
iOS JavaScript bridge
...NSString *)bar;
- (void)testfoo;
+ (BOOL)isKeyExcludedFromWebScript:(const char *)name;
+ (BOOL)isSelectorExcludedFromWebScript:(SEL)aSelector;
+ (WebScriptBridge*)getWebScriptBridge;
@end
static WebScriptBridge *gWebScriptBridge = nil;
@implementation WebScriptBridge
- (void)someEvent: (uint64_t)...
C++ Dynamic Shared Library on Linux
...ostream>
#include "myclass.h"
using namespace std;
int main(int argc, char **argv)
{
/* on Linux, use "./myclass.so" */
void* handle = dlopen("myclass.so", RTLD_LAZY);
MyClass* (*create)();
void (*destroy)(MyClass*);
create = (MyClass* (*)())dlsym(handle, "create_object");
destroy...
Named placeholders in string formatting
...
Had trouble with the ' char: unexpected char: '''
– AlikElzin-kilaka
Jan 18 '16 at 10:35
add a comment
|...
How to use icons and symbols from “Font Awesome” on Native Android Application
...llowing:
Copied fontawesome-webfont.ttf into my assests folder
Found the character entities for icons I wanted, using this page: http://fortawesome.github.io/Font-Awesome/cheatsheet/
Created an entry in strings.xml for each icon. Eg for a heart:
<string name="icon_heart">&#xf004;</s...
How to convert string to Title Case in Python?
...his one would always start with lowercase, and also strip non alphanumeric characters:
def camelCase(st):
output = ''.join(x for x in st.title() if x.isalnum())
return output[0].lower() + output[1:]
share
...
How can I strip all punctuation from a string in JavaScript using regex?
If I have a string with any type of non-alphanumeric character in it:
13 Answers
13
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How to get current path with query string using Capybara
...
I know an answer has been selected, but I just wanted to give an alternative solution. So:
To get the path and querystring, like request.fullpath in Rails, you can do:
URI.parse(current_url).request_uri.should == people_path(:search => 'name')
...
Why is reading lines from stdin much slower in C++ than Python?
...alse);
Normally, when an input stream is buffered, instead of reading one character at a time, the stream will be read in larger chunks. This reduces the number of system calls, which are typically relatively expensive. However, since the FILE* based stdio and iostreams often have separate implem...
Difference between VARCHAR and TEXT in MySQL [duplicate]
When we create a table in MySQL with a VARCHAR column, we have to set the length for it. But for TEXT type we don't have to provide the length.
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