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What does 'wb' mean in this code, using Python?
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File mode, write and binary. Since you are writing a .jpg file, it looks fine.
But if you supposed to read that jpg file you need to use 'rb'
More info
On Windows, 'b' appended to the mode
opens the file in binary mode, so
there ar...
Setting focus on an HTML input box on page load
... @PeterMortensen when I tested this 9 years ago was on firefox, chrome and ie :)
– Saikios
Jul 1 '19 at 16:34
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MySQL Query GROUP BY day / month / year
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GROUP BY YEAR(record_date), MONTH(record_date)
Check out the date and time functions in MySQL.
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Read url to string in few lines of java code
...nner scanner = new Scanner(new URL(requestURL).openStream(),
StandardCharsets.UTF_8.toString()))
{
scanner.useDelimiter("\\A");
return scanner.hasNext() ? scanner.next() : "";
}
}
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Update my github repo which is forked out from another project [duplicate]
...it pull <parent-url> [branch].
Pulling is a combination of fetching and merging, so once you've done that, you've got a new merge commit you'll presumably want to push back to your public repo at some point.
The key point here, in case it's not clear, is that pulling from the parent (upstrea...
NULL vs nil in Objective-C
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nil should only be used in place of an id, what we Java and C++ programmers would think of as a pointer to an object. Use NULL for non-object pointers.
Look at the declaration of that method:
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object
change:(NSDi...
How could the UNIX sort command sort a very large file?
The UNIX sort command can sort a very large file like this:
7 Answers
7
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How to install an npm package from GitHub directly?
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Because https://github.com/visionmedia/express is the URL of a web page and not an npm module. Use this flavor:
git+https://github.com/visionmedia/express.git
or this flavor if you need SSH:
git+ssh://git@github.com/visionmedia/express.git
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How can I generate a diff for a single file between two branches in github
... me to do this for all changed files, but that's no good as there are thousands of files in my repo.
5 Answers
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Get the new record primary key ID from MySQL insert query?
Let's say I am doing a MySQL INSERT into one of my tables and the table has the column item_id which is set to autoincrement and primary key .
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