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Guaranteed lifetime of temporary in C++?
...Schaub: What is a "full-expression" in this case: printf("%s", strdup(std::string("$$$").c_str()) ); ?I mean if strdup(std::string("$$$").c_str()) is taken as the full expression, then the pointer that strdup sees is valid. If std::string("$$$").c_str() is a full expression, then the pointer that st...
Procedure expects parameter which was not supplied
...SqlParameter AddParameter<T>(this SqlParameterCollection parameters, string parameterName, T value) where T : class
{
return value == null ? parameters.AddWithValue(parameterName, DBNull.Value) : parameters.AddWithValue(parameterName, value);
}
Matt Hamilton has a good post here that lis...
Named capturing groups in JavaScript regex?
...y valuable. For example, if you want to use a regex to parse a date from a string, you could write a flexible function that takes the value and the regex. As long as the regex has named captures for the year, month and date you could run through an array of regular expressions with minimal code.
...
How to convert a Binary String to a base 10 integer in Java
I have an array of Strings that represent Binary numbers (without leading zeroes) that I want to convert to their corresponding base 10 numbers. Consider:
...
Reading string from input with space character? [duplicate]
...so using Geany and CodeBlock as my IDE.
What I'm trying to do is reading a string (like "Barack Obama" ) and put it in a variable:
...
Convert character to ASCII code in JavaScript
...
The opposite of this is String.fromCharCode(10).
– viam0Zah
May 1 '11 at 9:38
189
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__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...些很难发现的bug。
format的语法格式为：
format (archetype, string-index, first-to-check)
format属性告诉编译器，按照printf, scanf,
strftime或strfmon的参数表格式规则对该函数的参数进行检查。“archetype”指定是哪种风格；“string-index...
Simple way to repeat a String in java
...king for a simple commons method or operator that allows me to repeat some String n times. I know I could write this using a for loop, but I wish to avoid for loops whenever necessary and a simple direct method should exist somewhere.
...
What is the difference between sigaction and signal?
... And that's it. Anything else is not guaranteed to be portable. That's so stringent that most people ignore those rules — but the resulting code is dodgy.
– Jonathan Leffler
Oct 27 '16 at 16:14
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Which characters need to be escaped when using Bash?
... and safe rules which work not only in sh but also bash.
1. Put the whole string in single quotes
This works for all chars except single quote itself. To escape the single quote, close the quoting before it, insert the single quote, and re-open the quoting.
'I'\''m a s@fe $tring which ends in new...