大约有 3,800 项符合查询结果（耗时：0.0350秒） [XML]
fatal error: Python.h: No such file or directory
...based), it was apt-get install python-dev.
– CoderGuy123
Aug 31 '17 at 15:59
add a comment
|
...
Creating an abstract class in Objective-C
...stringWithFormat:@"%s must be overridden in a subclass/category", __PRETTY_FUNCTION__] userInfo:nil]
#define methodNotImplemented() mustOverride()
then in your methods you can use this
- (void) someMethod {
mustOverride(); // or methodNotImplemented(), same thing
}
Notes: Not sure if maki...
Purpose of Trigraph sequences in C++?
...teral won't get interpreted as a digraph.
For a nice education on various fun with punctuation in C/C++ programs (including a trigraph bug that would defintinely have me pulling my hair out), take a look at Herb Sutter's GOTW #86 article.
Addendum:
It looks like GCC will not process (and will w...
PhantomJS failing to open HTTPS site
...
123
The problem is most likely due to SSL certificate errors. If you start phantomjs with the --ig...
Why are Python's 'private' methods not actually private?
...
Example of private function
import re
import inspect
class MyClass :
def __init__(self) :
pass
def private_function ( self ) :
try :
function_call = inspect.stack()[1][4][0].strip()
# See if ...
How can I search sub-folders using glob.glob module?
...
@User123: that doesn't list directories recursively. You are listing all text files one level deep, but not in further subdirectories or even directly in path to directory.
– Martijn Pieters♦
...
How to convert a currency string to a double with jQuery or Javascript?
...
This example run ok
var currency = "$1,123,456.00";
var number = Number(currency.replace(/[^0-9\.]+/g,""));
console.log(number);
share
|
improve this answer...
How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
...han k time if it's not there
Supports ordered traversal
No need for a hash function
Deletion is straightforward
New operations:
You can quickly look up prefixes of keys, enumerate all entries with a given prefix, etc.
Advantages of linked structure:
If there are many common prefixes, the spa...
Why can I access TypeScript private members when I shouldn't be able to?
...'t be a member of the class, it would be a local variable created inside a function scope inside the code that creates the object. That would mean that you can't access it like a member of the class, i.e. using the this keyword.
...
Can two applications listen to the same port?
...
iptables -m statistic --mode random --probability 0.5 is fun.
– Jed Smith
Nov 7 '09 at 21:27
1
...