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Is returning null bad design? [closed]
.... You might want to check out the Null Object Pattern which provides more information on this.
For example, if I were to define a method in Java that returned a Collection I would typically prefer to return an empty collection (i.e. Collections.emptyList()) rather than null as it means my client c...
How to prevent that the password to decrypt the private key has to be entered every time when using
...opefully the update I've just added will address your problem. I keep the info up to date in a blog post at conan.is/blogging/clojure-on-windows.html, and I asked the same question myself at stackoverflow.com/questions/52423626/…
– Conan
Jan 7 '19 at 10:32
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What are libtool's .la file for?
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You can't libfoo.la holds only meta information, i.e. in libfoo.la (textual file) written where should you find libfoo.so.x.y.z
– Artyom
Dec 31 '09 at 20:48
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Facebook Open Graph not clearing cache
...e you use the same url included on your og:url tag)
Click the Fetch Scrape information again Button
For Developers
Make a GET call programmatically to this URL: https://graph.facebook.com/?id=[YOUR_URL_HERE]&scrape=true (see: https://developers.facebook.com/docs/games_payments/takingpayments...
How can I expand and collapse a using javascript?
... list on my site. This list is created by a foreach loop that builds with information from my database. Each item is a container with different sections, so this is not a list like 1, 2, 3... etc. I am listing repeating sections with information. In each section, there is a subsection. The gene...
Append to a file in Go
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Figured it out
More info
f, err := os.OpenFile(filename, os.O_APPEND|os.O_WRONLY, 0644)
n, err := f.WriteString(text)
f.Close()
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i...
What is the ideal data type to use when storing latitude / longitude in a MySQL database?
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Do you have any other links to examples or any other info as to how best get started with them?
– Codebeef
Oct 1 '08 at 19:40
8
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Combining multiple git repositories
... |
GIT_INDEX_FILE=$GIT_INDEX_FILE.new \
git update-index --index-info &&
mv $GIT_INDEX_FILE.new $GIT_INDEX_FILE' HEAD
Same for the content of phd/figures and phd/thesis (just replace code with figures and thesis).
Now your directory structure should look like this:
phd
|_...
What is output buffering?
...ble.
If you've ever encountered the message "Warning: Cannot modify header information - headers already sent by (output)" while setting cookies, you'll be happy to know that output buffering is your answer.
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Prevent any form of page refresh using jQuery/Javascript
...il the non-profit was wound down.
Example:
FORM ENTRY - Collect all their info and when submitted, this triggers your backend job.
RESPONSE from form entry - Returns HTML that performs a redirect to your static wait page and/or POST/GET to another form (the WAIT page).
WAIT PAGE - Only contains...