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How to check if a table exists in a given schema
...
It depends on what you want to test exactly.
Information schema?
To find "whether the table exists" (no matter who's asking), querying the information schema (information_schema.tables) is incorrect, strictly speaking, because (per documentation):
Only tho...
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
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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?
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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,...