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Generating all permutations of a given string
...oid permutation(String prefix, String str) {
int n = str.length();
if (n == 0) System.out.println(prefix);
else {
for (int i = 0; i < n; i++)
permutation(prefix + str.charAt(i), str.substring(0, i) + str.substring(i+1, n));
}
}
(via Introduction to Programmin...
Java code for getting current time [duplicate]
...
FYI, the troublesome classes used here are now legacy, supplanted by the java.time classes.
– Basil Bourque
Mar 7 '18 at 2:58
1
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C: differences between char pointer and array [duplicate]
...ut it's a subtle difference. Essentially, the former:
char amessage[] = "now is the time";
Defines an array whose members live in the current scope's stack space, whereas:
char *pmessage = "now is the time";
Defines a pointer that lives in the current scope's stack space, but that references ...
What does “for” attribute do in HTML tag?
I wonder what is the difference between the following two code snippets:
6 Answers
6
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Drop multiple tables in one shot in mysql
...nd C. Then we can use the following syntax to drop all tables.
DROP TABLE IF EXISTS B,C,A;
This can be placed in the beginning of the script instead of individually dropping each table.
share
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i...
Detach (move) subdirectory into separate Git repository
I have a Git repository which contains a number of subdirectories. Now I have found that one of the subdirectories is unrelated to the other and should be detached to a separate repository.
...
How to create PDF files in Python [closed]
...e. (Source: Ctrl+F through its documentation page)
Which is great, but not if you have images that are not already embedded in a PDF.
pyPDF2 doesn't seem to have any extra documentation on top of pyPDF.
ReportLab is very extensive. (Userguide) However, with a bit of Ctrl+F and grepping through its s...
Placeholder in IE9
...h ie9 the placeholder disappears when the text input is on focus. This is different than HTML5 behavior
– gerrytan
Apr 8 '14 at 1:35
1
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What is the purpose of XORing a register with itself? [duplicate]
...epresents the end of string in c/c++ and the shell code would be truncated if the mean of exploitation is a string processing function or the like.
Btw im referring to the original question: "Any reason to do a “xor eax, eax”?" not what the MSVC++ compiler does.
Since there's some debate in th...
Import / Export database with SQL Server Server Management Studio
..., Tasks -> Generate Scripts...
Then follow the wizard.
For SSMS2008+, if you want to also export the data, on the "Set Scripting Options" step, select the "Advanced" button and change "Types of data to script" from "Schema Only" to "Data Only" or "Schema and Data".
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