erase

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Does the "delete" statement doubly free an object?

Does the \"delete\" statement below \"doubly free\" an object? (...object_list is a global vector<object*>...)[详细]

2023-01-11 14:32 分类：问答
Invalidating loop bounds

I\'ve recently inherited a project primarily done in C++, so this is my first real exposure to it. I\'m wondering if I may have a problem erasing a vector\'s elements from within a loop bounded by the[详细]

2023-01-11 04:16 分类：问答
Securely deleting/wiping MySQL data from hard disk

We\'re running MySQL 5.1 on CentOS 5 and I need to 开发者_JS百科securely wipe data. Simply issuing a DELETE query isn\'t an option, we need to comply with DoD file deletion standards. This will be don[详细]

2023-01-10 17:14 分类：问答
Iterate and erase elments from std::set

I have a std::set and I need to erase similar adjacent elements: DnaSet::const_iterator next = dna_list.begin();[详细]

2023-01-09 02:27 分类：问答
How to find the four coordinates and erase drawing of an rubberband rectangle in C#

Hi I have tried to draw an rubberband rectangle on a form using the mouse in C#. Problems 1) After the mouse release the rectangle disappears. [I want it to stay on the form][详细]

2023-01-05 23:38 分类：问答
How to overwrite the data in a file with bash

I\'m writing a bash script that encrypts the data of a folder or file #!/bin/bash file_name=$1 tmp_file=/tmp/tmpfile.tar[详细]

2022-12-27 03:59 分类：问答
Multimap erase doesn't work

following code doesn\'t work with input: 2 7 add Elly 0888424242 add Elly 0883666666 queryname Elly querynum 0883266642[详细]

2022-12-24 05:19 分类：问答
unlink vs remove in c++

What is开发者_如何学编程 the difference between remove and unlink functions in C++?Apart from the fact that unlink is unix-specific (as pointed out by Chris), we read in the POSIX manual:[详细]

2022-12-19 05:16 分类：问答
C++ - Deleting a vector element that is referenced by a pointer

Well,开发者_开发百科 I don\'t know if it is possible, but the thing would be: struct stPiece { /* some stuff */[详细]

2022-12-17 10:06 分类：问答
How to clear and then redraw a quartz drawing

I\'m making a complex drawing using quartz based on passed in information.The only part I haven\'t been able to figure out is how do I clear the lines, rectangles, etc th开发者_运维问答at I\'ve alread[详细]

2022-12-09 07:24 分类：问答