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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...
HTML form readonly SELECT tag/input
...eption (for example if we didn't handle this situation, and we expect one string and use 'Request.Form[FieldName]' command)
– M.i.T
Nov 17 '15 at 5:36
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Should I impose a maximum length on passwords?
...hed, the password length wouldn't matter to them (hash functions convert a string of any length to a fixed length).
– Vicky Chijwani
Apr 15 '17 at 13:58
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How to make an OpenGL rendering context with transparent background?
...-------*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <GL/gl.h>
#include <GL/glx.h>
#include <GL/glxext.h>
#include <X11/Xatom.h>
#include <X11/extensions/Xrender.h>
#include <X11/Xutil.h>
#defin...
Removing carriage return and new-line from the end of a string in c#
...return character (\r) and the new line character (\n) from the end of a string?
12 Answers
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Oracle中translate与replace的使用 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...length(trim(a.t_no));
2.replace
语法：REPLACE(char, search_string,replacement_string)
用法：将char中的字符串search_string全部转换为字符串replacement_string。
举例：SQL> select REPLACE('fgsgswsgs', 'fk' ,'j') 返回值 from dual;
返...
boost库编译问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
boost库编译问题boost::property_tree::xml_writer_settings<std::string> settings(' t', 1, "GB2312");报错：char不能转换为std::string。1.5...boost::property_tree::xml_writer_settings<std::string> settings('\t', 1, "GB2312");
报错：char不能转换为std::string。
1.54 版本 报...
What column type/length should I use for storing a Bcrypt hashed password in a Database?
... Be aware - storing as binary(60) can cause unexpected behavior for string equality (among other things). In .NET this can be overcome by using String.Equals(fromDataBaseBinary60string, typicalishString, StringComparison.InvariantCulture)
– JHubbard80
Fe...
Java current machine name and logged in user?
...he Java API says that getHostName() will return
the host name for this IP address, or if the operation is not allowed by the security check, the textual representation of the IP address.
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Converting an int to std::string
What is the shortest way, preferably inline-able, to convert an int to a string? Answers using stl and boost will be welcomed.
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