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LEN function not including trailing spaces in SQL Server
... I include the trailing spaces in the length result?"
You get someone to file a SQL Server enhancement request/bug report because nearly all the listed workarounds to this amazingly simple issue here have some deficiency or are inefficient. This still appears to be true in SQL Server 2012. The a...
How to move a file?
...nto the Python os interface, but was unable to locate a method to move a file. How would I do the equivalent of $ mv ... in Python?
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Read each line of txt file to new array element
I am trying to read every line of a text file into an array and have each line in a new element.
My code so far.
11 Answe...
What is a good Java library to zip/unzip files? [closed]
...used. Its simple (no boiler code) and can easily handle password protected files.
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.core.ZipFile;
public static void unzip(){
String source = "some/compressed/file.zip";
String destination = "some/destination/folder";...
Why does git perform fast-forward merges by default?
... feature branch.
In this case, you can end up setting this kind of config file:
[branch "master"]
# This is the list of cmdline options that should be added to git-merge
# when I merge commits into the master branch.
# The option --no-commit instructs git not to commit the merge
# by default. Th...
How to get just the parent directory name of a specific file
...
Use File's getParentFile() method and String.lastIndexOf() to retrieve just the immediate parent directory.
Mark's comment is a better solution thanlastIndexOf():
file.getParentFile().getName();
These solutions only works if...
How to download a file with Node.js (without using third-party libraries)?
How do I download a file with Node.js without using third-party libraries ?
27 Answers
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
Using the HTML5 <canvas> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn.
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How to count occurrences of a column value efficiently in SQL?
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SELECT age, count(age)
FROM Students
GROUP by age
If you need the id as well you could include the above as a sub query like so:
SELECT S.id, S.age, C.cnt
FROM Students S
INNER JOIN (SELECT age, count(age) as cnt
FROM Students
GROUP BY ag...
How to verify if a file exists in a batch file?
I have to create a .BAT file that does this:
3 Answers
3
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