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How do Google+ +1 widgets break out of their iframe?
... the link originates from the iframe, a CSRF (cross-site request forgery) token can be embedded in the request and the parent site cannot read this token and forge the request. So the iframe is an anti-CSRF measure that relies upon the Origin Inheritance rules to protect itself from a malicious par...
Structs versus classes
...ject known to be alive as alive. The object on the stack can refer to heap-allocated objects that need to be kept alive, so the GC has to treat stack objects like living heap-allocated objects for the purposes of determining the live set. But obviously they are not treated as "live objects" for the...
error C2512: “Foo”: 没有合适的默认构造函数可用 - C/C++ - 清泛网 - 专...
...11.0\VC\INCLUDE\xmemory0(600): 编译类 模板 成员函数
“void std::allocator<_Ty>::construct(_Ty *)”时
with
[
_Ty=Foo
]
C:\Program Files\Microsoft Visual Studio 11.0\VC\INCLUDE\xmemory0(751): 参见对正在编译的函数
模板 实例...
Eliminate extra separators below UITableView
...new];
}
or if you prefer,
self.tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];
Historically in iOS:
Add to the table view controller...
- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section {
// This will create a "invisible"...
Best practice for creating millions of small temporary objects
...rience using these option: -XX:+PrintEscapeAnalysis and -XX:+PrintEliminateAllocations. That would be great to share. Because I don't, saying honestly.
– Mikhail
May 8 '13 at 8:13
...
How to use cURL to send Cookies?
...
This worked for me:
curl -v --cookie "USER_TOKEN=Yes" http://127.0.0.1:5000/
I could see the value in backend using
print request.cookies
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Can I access constants in settings.py from templates in Django?
...values out of the settings.
@register.tag
def value_from_settings(parser, token):
try:
# split_contents() knows not to split quoted strings.
tag_name, var = token.split_contents()
except ValueError:
raise template.TemplateSyntaxError, "%r tag requires a single argume...
What is the purpose of a stack? Why do we need it?
...erts on the semantic analysis of their language, not on efficient register allocation of new chip sets.
Now suppose we do it the CIL way. How many CIL generators do you have to write? One per language. How many JIT compilers do you have to write? One per processor. Total: 20 + 10 = 30 code generato...
PHP Composer update “cannot allocate memory” error (using Laravel 4)
...swap.1
Or if above not worked then you can try create a swap file
sudo fallocate -l 2G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
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...
Convert UTF-8 encoded NSData to NSString
...ated, you should use -initWithData:encoding:
NSString* newStr = [[NSString alloc] initWithData:theData encoding:NSUTF8StringEncoding];
If the data is null-terminated, you should instead use -stringWithUTF8String: to avoid the extra \0 at the end.
NSString* newStr = [NSString stringWithUTF8String:[t...