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What does the 'u' symbol mean in front of string values? [duplicate]
..."raw" symbol r for telling a string not to interpret backslashes. This is extremely useful for writing regular expressions.
>>> 'foo\"'
'foo"'
>>> r'foo\"'
'foo\\"'
Unicode and non-Unicode strings can be equal on Python 2:
>>> bird1 = unicode('unladen swallow')
>>&g...
Add Favicon to Website [duplicate]
...cut icon, website icon, URL icon, or bookmark icon is a 16×16 or 32×32 pixel square icon associated with a particular website or webpage.
Adding it is easy. Just add an .ico image file that is either 16x16 pixels or 32x32 pixels. Then, in the web pages, add <link rel="shortcut icon" href="favi...
How to create empty data frame with column names specified in R? [duplicate]
...t create a data.frame with 0 length variables
eg
nodata <- data.frame(x= numeric(0), y= integer(0), z = character(0))
str(nodata)
## 'data.frame': 0 obs. of 3 variables:
## $ x: num
## $ y: int
## $ z: Factor w/ 0 levels:
or to create a data.frame with 5 columns named a,b,c,d,e
no...
Interpret XMP-Metadata in ALAssetRepresentation
...
ALAssetRepresentation* representation = [[self assetAtIndex:index] defaultRepresentation];
// Create a buffer to hold the data for the asset's image
uint8_t *buffer = (Byte*)malloc(representation.size); // Copy the data from the asset into the buffer
NSUInteger length = [representa...
What is &&& operation in C
...ishsane i is defined as int and there's no labels in the question. Also, maximal munch...
– Luchian Grigore
Dec 20 '12 at 9:35
5
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How can I use the $index inside a ng-repeat to enable a class and show a DIV?
...here is that ng-repeat creates its own scope, so when you do selected=$index it creates a new a selected property in that scope rather than altering the existing one. To fix this you have two options:
Change the selected property to a non-primitive (ie object or array, which makes javascript look u...
How can I get the current date and time in the terminal and set a custom command in the terminal for
I have to check the time in a Linux terminal.
2 Answers
2
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Transitivity of Auto-Specialization in GHC
...llowing:
"is the auto-specialization transitive?"
Should I only expect (+) to be specialized transitively with an explicit pragma?
(apparently intended) Is this a bug of GHC? Is it inconsistent with the documentation?
AFAIK, the answers are No, mostly yes but there are other means, ...
Swift equivalent of [NSBundle bundleForClass:[self class]]
What is swift equivalent of next code:
9 Answers
9
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“历史遗留”漏洞：浅析新型SSL/TLS漏洞FREAK - 创意 - 清泛网 - 专注C/C++及内核技术
...为CVE-2015-0204，人们将它命名为FREAK（Factoring Attack on RSA-EXPORT Keys）。黑客或情报机构能借此强迫客户端使用低版本且包含漏洞的加密方式，包括美国的出口级密钥——512位的RSA密钥。
FREAK漏洞是由法国国家信息与自动化研究所(In...