Has C++ standard changed with respect to the use of indeterminate values and undefined behavior in C

Has C++ standard changed with respect to the use of indeterminate values and undefined behavior in C

As covered in Does initialization entail lvalue-to-rvalue conversion? Is int x = x; UB? the C++ standard has a surprising example in section 3.3.2 Point of declaration in which an int is initialized with it's own indeterminate value:int x =

Loop “Forgets” to Remove Some Items [duplicate]

Loop “Forgets” to Remove Some Items [duplicate]

This question already has an answer here: strange result when removing item from a list [duplicate] 4 answers in this code I am trying to create a func

Is there any difference between 'valid xml' and 'well formed xml'?

Is there any difference between 'valid xml' and 'well formed xml'?

I wasn't aware of a difference, but a coworker says there is, although he can't back it up. What's the difference if any? 1:There is a difference, yes. Xml that adheres to the xml standard is considered well formed, while xml that adhere

How do I set/unset a cookie with jQuery?

How do I set/unset a cookie with jQuery?

How do I set and unset a cookie using jQuery, for example create a cookie named test and set the value to 1? 1:See the plugin:https://github.com/carhartl/jquery-cookieYou can then do:$.cookie("test", 1);To delete:$.removeCookie("test");A

How to validate an email address using a regular expression?

How to validate an email address using a regular expression?

Over the years I have slowly developed a regular expression that validates MOST email addresses correctly, assuming they don't use an IP address as the server part.I use it in several PHP programs, and it works most of the time. However, f

What's the regex to match anything except a double quote not preceded by a backslash?

What's the regex to match anything except a double quote not preceded by a backslash?

In other words, I have a string like:"anything, escaped double-quotes: \", yep" anything here NOT to be matched.How do I match everything inside the quotes?I'm thinking^"((?But my head spins, should that be a positive or a negative lookbehi

How to render glyphs from FontAwesome on a Canvas element

How to render glyphs from FontAwesome on a Canvas element

FontAwesome specifies glyphs in its CSS file like so:/* Font Awesome uses the Unicode Private Use Area (PUA) to ensure screen readers do not read off random characters that represent icons */.icon-glass:before { content:

sprintf() without trailing null space in C

sprintf() without trailing null space in C

Is there a way to use the C sprintf() function without it adding a '\0' character at the end of its output? I need to write formatted text in the middle of a fixed width string. 1:There is no way to tell sprintf() not to write a trailing

glob exclude pattern

glob exclude pattern

I have a directory with a bunch of files inside: eee2314, asd3442 ... and eph.I want to exclude all files that start with eph with the glob function.How can I do it? 1:You can't exclude patterns with the glob function, globs only allow f

Python decode “\\u041b” string [duplicate]

Python decode “\\u041b” string [duplicate]

This question already has an answer here: How can I convert strings like “\u5c0f\u738b\u5b50\u003a\u6c49\u6cd5\u82f1\u5bf9\u7167” to Chinese characters 1 answer

How to implement a verbose REGEX in Python

How to implement a verbose REGEX in Python

I am trying to use a verbose regular expression in Python (2.7). If it matters I am just trying to make it easier to go back and more clearly understand the expression sometime in the future. Because I am new I first created a compact exp

Why does string extraction from a stream set the eof bit?

Why does string extraction from a stream set the eof bit?

Let's say we have a stream containing simply:helloNote that there's no extra \n at the end like there often is in a text file. Now, the following simple code shows that the eof bit is set on the stream after extracting a single std::string.

Reading large file in chunks c#

Reading large file in chunks c#

I want to read very large file (4GBish) chunk by chunk.I am currently trying to use a StreamReader and the Read() read method. The syntax is:sr.Read(char[] buffer, int index, int count)Because the index is an int it will overflow in my case

What is the equivalent of 'fread' from Matlab in Python?

What is the equivalent of 'fread' from Matlab in Python?

I have practically no knowledge of Matlab, and need to translate some parsing routines into Python. They are for large files, that are themselves divided into 'blocks', and I'm having difficulty right from the off with the checksum at the t

Transform char array into String

Transform char array into String

I have a function that returns a char array and I want that turned into a String so I can better process it (compare to other stored data). I am using this simple for that should work, but it doesn't for some reason (bufferPos is the length

Differences between unix and windows files

Differences between unix and windows files

Am I correct in assuming that the only difference between "windows files" and "unix files" is the linebreak? We have a system that has been moved from a windows machine to a unix machine and are having troubles with the format.I need to aut

Meaning of 0_0 in Java 7 [duplicate]

Meaning of 0_0 in Java 7 [duplicate]

This question already has an answer here: Java 7 underscore in numeric literals 8 answers I have read that in Java7, we can now write this funny statem

Removing \\u2018 and \\u2019 character

Removing \\u2018 and \\u2019 character

I am using Beautiful Soup to parse webpages and printing the name of the webpages visited on the terminal. However, often the name of the webpage has single right (\u2018) and left(\u2019) character which the python can't print as it gives

Determine if string is all caps with regular expression

Determine if string is all caps with regular expression

How can you determine if a string is all caps with a regular expression. It can include punctuation and numbers, just no lower case letters. 1:m/^[^a-z]*$/For non-English characters,m/^[^\p{Ll}]*$/ 2:That sounds like you want: ^[^a-z

In C#, how to check whether a string contains an integer?

In C#, how to check whether a string contains an integer?

I just want to know, whether a String variable contains a parsable positive integer value. I do NOT want to parse the value right now. Currently I am doing:int parsedId;if ( (String.IsNullOrEmpty(myStringVariable) || (!uint.TryParse(m

Adjusting Kerning in CSS

Adjusting Kerning in CSS

Is it possible with CSS to adjust kerning in CSS? I'd like to be able to kern a block of text such that it will actually look like a block of text (both left and right edges are aligned).EDIT: Using http://letteringjs.com/ in conjunction wi

Getting last 5 char of string with mysql query

Getting last 5 char of string with mysql query

I have to get last 5 numbers using mysql.My values are like YOT-A78514,LOP-C4521 ...I have to get only last five char . How can I do this in query? 1:You can do this with RIGHT(str,len) function. Returns the rightmost len characters from

Passing array to a function (and why it does not work in C++)

Passing array to a function (and why it does not work in C++)

I have come across some C code that compiles, but I do not understand why. Specifically, I have a C library that has a lot of code using this format:void get_xu_col(int i_start, int n, double x[n],

Inverse UIlabel text color when its frame intersects an UIView

Inverse UIlabel text color when its frame intersects an UIView

Hi Im trying to change the text color of a UILabel in the case when the labels rect intersects an UIView, i was thinking maybe there is a property or something i can use. Like in the image below:Did someone meet this issue before, or what

Import csv into sqlite with autoincrementing primary key

Import csv into sqlite with autoincrementing primary key

I am trying to create a table in sqlite that takes data from a csv file and adds an autoincrementing primary key to the first column.Here is the table I am trying to insert data into:DROP TABLE IF EXISTS Allegiance;CREATE TABLE Allegiance (