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What does void* mean and how to use it?
...ter type. A void * can be converted to any other pointer type without an explicit cast. You cannot dereference a void * or do pointer arithmetic with it; you must convert it to a pointer to a complete data type first.
void * is often used in places where you need to be able to work with different...
How to upgrade Git to latest version on macOS?
I just bought a new Mac with OS X Lion and I checked in the Terminal what version of git is installed by default. I got the answer
...
How to permanently remove few commits from remote branch
...reset --hard your local branch to remove changes from working tree and index, and you git push --force your revised local branch to the remote. (other solution here, involving deleting the remote branch, and re-pushing it)
This SO answer illustrates the danger of such a command, especially if peopl...
Select arrow style change
...ing like this:
.styled-select select {
-moz-appearance:none; /* Firefox */
-webkit-appearance:none; /* Safari and Chrome */
appearance:none;
}
Haven't tested, but should work.
EDIT: It looks like Firefox doesn't support this feature up until version 35 (read more here)
There is a wo...
How do I create a readable diff of two spreadsheets using git diff?
We have a lot of spreadsheets (xls) in our source code repository. These are usually edited with gnumeric or openoffice.org, and are mostly used to populate databases for unit testing with dbUnit . There are no easy ways of doing diffs on xls files that I know of, and this makes merging extremely...
How do I find the location of my Python site-packages directory?
...our local packages:
python -m site --user-site
If this points to a non-existing directory check the exit status of Python and see python -m site --help for explanations.
Hint: Running pip list --user or pip freeze --user gives you a list of all installed per user site-packages.
Practical Tip...
Return anonymous type results?
Using the simple example below, what is the best way to return results from multiple tables using Linq to SQL?
16 Answers
...
How do I print a double value with full precision using cout?
...). I was printing a double using cout that got rounded when I wasn't expecting it. How can I make cout print a double using full precision?
...
How do I add a new sourceset to Gradle?
...ath += main.output
}
}
}
configurations {
intTestCompile.extendsFrom testCompile
intTestRuntime.extendsFrom testRuntime
}
task intTest(type:Test){
description = "Run integration tests (located in src/intTest/...)."
testClassesDir = project.sourceSets.intTest.output.clas...
How to set custom favicon in Express?
...
In Express 4
Install the favicon middleware and then do:
var favicon = require('serve-favicon');
app.use(favicon(__dirname + '/public/images/favicon.ico'));
Or better, using the path module:
app.use(favicon(path.join(__dirname,...