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Error: The processing instruction target matching “[xX][mM][lL]” is not allowed
...ng error
The processing instruction target matching "[xX][mM][lL]" is not allowed.
when an XML declaration is encountered anywhere other than at the top of an XML file.
This is a valid diagnostic message; other XML parsers should issue a similar error message in this situation.
To correct the p...
Python to print out status bar and percentage
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There's a Python module that you can get from PyPI called progressbar that implements such functionality. If you don't mind adding a dependency, it's a good solution. Otherwise, go with one of the other answers.
A simple example of how to use it:
import progressbar
from time...
bootstrap modal removes scroll bar
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Thx. Additionally, if modal popup needs to scroll and the parent needs to remain still .modal-body { max-height: calc(100vh - 210px); overflow-y: auto; } .modal-open { overflow: hidden; overflow-y: scroll; padding-ri...
Appending a line to a file only if it does not already exist
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This actually doesn't work when the line starts with a -.
– hyperknot
Feb 6 '18 at 22:03
1
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Export Data from mysql Workbench 6.0
...Windows: C:\Program Files\MySQL\MySQL Workbench 6.3 CE\modules (32-bit installation on x64 systems: C:\Program Files (x86)\MySQL\MySQL Workbench 6.3 CE\modules)
b) Mac OS X: Applications/MYSQLWorkbench.app/Contents/Resources/plugins - right click on the app and select Show Package contents to get i...
How to change CSS using jQuery?
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@Ender: using css() all the css is reset and only the css mentioned in this function persists. How can I only add css which is to be changed and retain previous css ?
– SimpleGuy
Sep 2 at 5:46
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Want to exclude file from “git diff”
...p ) from a Git diff. I have tried putting a file in the db subdirectory called .gitattributes with the line irrelevant.php -diff
and I have also tried creating a file called .git/info/attributes containing db/irrelevant.php .
...
How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
...way to go (as opposed to articles like this)? I see you're trying to vertically center the element, so why do you have to set margin-top:-8px; and not margin-top:-50%;?
Well, vertical centering in CSS is harder than it should be. When setting even top or bottom margins in %, the value is calculated...
c++11 Return value optimization or move? [duplicate]
...)
{
Foo result;
mangle(result);
return result;
}
This will already allow the use of the move constructor, if one is available. In fact, a local variable can bind to an rvalue reference in a return statement precisely when copy elision is allowed.
Your second version actively prohibits copy ...
How to display gpg key details without importing it?
...from the warning.
Technical Details: Listing OpenPGP Packets
Without installing any further packages, you can use gpg --list-packets [file] to view information on the OpenPGP packets contained in the file.
$ gpg --list-packets a4ff2279.asc
:public key packet:
version 4, algo 1, created 135647...