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FormData.append(“key”, “value”) is not working
...rmdata.get(key)
and more very useful methods
Original answer:
What I usually do to 'debug' a FormData object, is just send it (anywhere!) and check the browser logs (eg. Chrome devtools' Network tab).
You don't need a/the same Ajax framework. You don't need any details. Just send it:
var xhr = ...
What are the minimum margins most printers can handle?
... is only a safe bet on inkjets made for photo printing. Laser printers usually have a much larger margin. However, the question states that they're producing graphics, so optimizing for inkjets might be OK.
– Kevin Vermeer
Aug 19 '10 at 2:04
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Escaping single quote in PHP when inserting into MySQL [duplicate]
...e it again, the string you get back from the database will not be automatically escaped for you. You'll get back "O'Brien". So, you will need to pass it through mysql_real_escape_string().
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How do I specify unique constraint for multiple columns in MySQL?
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That way combination of three would be unique? Or all individual three columns would be unique?
– Gary Lindahl
Sep 15 '11 at 0:03
100
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Naming conventions: “State” versus “Status” [closed]
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It depends on the context
State generally refers to the entire state of an entity - all its values and relationships at a particular point in time (usually, current)
Status is more of a time-point, say, where something is at in a process or workflow - is it dir...
reformat in vim for a nice column layout
...ion for this.
Locate to the longest word and place cursor after it.
Remove all the extra whitespace using dw and vertical movement.
Example of this technique demonstrated below:
I don't find myself needing to align things often enough to install another plugin, so this was my preferred way of a...
Compiling with cython and mingw produces gcc: error: unrecognized command line option '-mno-cygwin'
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It sounds like GCC 4.7.0 has finally removed the deprecated -mno-cygwin option, but distutils has not yet caught up with it. Either install a slightly older version of MinGW, or edit distutils\cygwinccompiler.py in your Python directory to remove all instan...
How can I store my users' passwords safely?
...tials';
}
(In case you are still using legacy 5.3.7 or newer you can install ircmaxell/password_compat to have access to the build-in functions)
Improving upon salted hashes: add pepper
If you want extra security, the security folks now (2017) recommend adding a 'pepper' to the (automatically)...
How to add percent sign to NSString
...ld look like this
[NSString stringWithFormat:@"%d%%", someDigit];
Also, all the other format specifiers can be found at Conceptual Strings Articles
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HTML: How to limit file upload to be only images?
...t="image/*". But we can still change it from the dropdown and it will show all files. So the Javascript part validates whether or not the selected file is an actual image.
<div class="col-sm-8 img-upload-section">
<input name="image3" type="file" accept="image/*" id="menu_images"/>...