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Grep regex NOT containing string
...rns to grep to check against a syslog file. They are usually matching an IP address and log entry;
3 Answers
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Named placeholders in string formatting
...
Had trouble with the ' char: unexpected char: '''
– AlikElzin-kilaka
Jan 18 '16 at 10:35
add a comment
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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...
How to detect a Christmas Tree? [closed]
...ntaining (uint, 0-255) color image
hueleftthr: Scalar constant to select maximum allowed hue in the
yellow-green region
huerightthr: Scalar constant to select minimum allowed hue in the
blue-purple region
satthr: Scalar constant t...
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)...
Apache POI Excel - how to configure columns to be expanded?
...e best way we found was to loop over each row in the col, find the longest char length and multiply by x + add a buffer. X use trial and error to see what fits but it should be a average width of a char. Without font I don't believe you can actually get it right but we get pretty close. Otherwise yo...
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
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Python glob multiple filetypes
... not possible. you can use only:
* matches everything
? matches any single character
[seq] matches any character in seq
[!seq] matches any character not in seq
use os.listdir and a regexp to check patterns:
for x in os.listdir('.'):
if re.match('.*\.txt|.*\.sql', x):
print x
...
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...