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How can I match on an attribute that contains a certain string?
...g with a trick to ensure the comparison is done at the level of a complete token (lest the 'atag' pattern be found as part of another 'tag').
"atag btag" is an odd value for the class attribute, but never the less, try:
//*[starts-with(@class,"atag")]
...
wget/curl large file from google drive
...
def download_file_from_google_drive(id, destination):
def get_confirm_token(response):
for key, value in response.cookies.items():
if key.startswith('download_warning'):
return value
return None
def save_response_content(response, destination):
...
Difference between 'new operator' and 'operator new'?
...er, but it's a good question in any case.
Operator new is a function that allocates raw memory -- at least conceptually, it's not much different from malloc(). Though it's fairly unusual unless you're writing something like your own container, you can call operator new directly, like:
char *x = st...
Proper way to handle multiple forms on one page in Django
...form})
# mytemplate.html
<form action="" method="post">
{% csrf_token %}
{{ aform.as_p }}
<input type="submit" name="{{aform.prefix}}" value="Submit" />
{{ bform.as_p }}
<input type="submit" name="{{bform.prefix}}" value="Submit" />
</form>
...
Is there a max array length limit in C++?
...d char[].
Additionally, this upper limit may be influenced by the type of allocator used to construct the vector because an allocator is free to manage memory any way it wants. A very odd but nontheless conceivable allocator could pool memory in such a way that identical instances of an object shar...
Why does Google prepend while(1); to their JSON responses?
... Why doesn't the request to obtain this data require a CSRF-token instead?
– Jakub P.
Feb 3 '13 at 1:43
237
...
Create singleton using GCD's dispatch_once in Objective-C
...ace MySingleton : NSObject
+(instancetype)sharedInstance;
+(instancetype)alloc __attribute__((unavailable("alloc not available, call sharedInstance instead")));
-(instancetype)init __attribute__((unavailable("init not available, call sharedInstance instead")));
+(instancetype)new __attribute__((un...
What is the difference between localStorage, sessionStorage, session and cookies?
...specially important with authentication cookies, which are used to store a token containing details of the user who is logged on - if you have a copy of that cookie then for all intents and purposes you become that user as far as the web application is concerned, and have the same access to data and...
How is malloc() implemented internally? [duplicate]
Can anyone explain how malloc() works internally?
3 Answers
3
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How do malloc() and free() work?
I want to know how malloc and free work.
13 Answers
13
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