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How to debug a Flask app
...e browser when there is an error. To run in development mode, set the FLASK_ENV=development environment variable then use the flask run command (remember to point FLASK_APP to your app as well).
For Linux, Mac, Linux Subsystem for Windows, Git Bash on Windows, etc.:
export FLASK_APP=myapp
export F...
python setup.py uninstall
...s, use Powershell:
Get-Content files.txt | ForEach-Object {Remove-Item $_ -Recurse -Force}
Then delete also the containing directory, e.g. /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/my_module-0.1.egg/ on macOS. It has no files, but Python will still import an ...
Which characters make a URL invalid?
...racters:
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~:/?#[]@!$&'()*+,;=
Note that this list doesn't state where in the URI these characters may occur.
Any other character needs to be encoded with the percent-encoding (%hh). Each part of the URI has further restrictions...
Better way to cast object to int
... to signify a Nullable<int>. The "as" operator works like Convert.To____(), but think TryParse() rather than Parse(): it returns null rather than throwing an exception if the conversion fails.
Of these, I would prefer (int) if the object really is just a boxed integer. Otherwise use Conver...
Changing the resolution of a VNC session in linux [closed]
...9.99 Hz (CVT 4.10MA) hsync: 99.46 kHz; pclk: 348.50 MHz
Modeline "2560x1600_60.00" 348.50 2560 2760 3032 3504 1600 1603 1609 1658 -hsync +vsync
or if the monitor is old get the GTF timings:
$ gtf 2560 1600 60
# 2560x1600 @ 60.00 Hz (GTF) hsync: 99.36 kHz; pclk: 348.16 MHz
Modeline "2560x1600_6...
Difference Between Cohesion and Coupling
...alQuestion implements IStackoverflowQuestion {
protected Integer vote_ = new Integer(0);
protected IUserProfile user_ = null;
protected IUserProfile answered_ = null;
public void VoteUp(IUserProfile user) {
vote_++;
// code to ... add to user profile
...
Reactjs convert html string to jsx
...se the dangerouslySetInnerHTML property:
<td dangerouslySetInnerHTML={{__html: this.state.actions}} />
React forces this intentionally-cumbersome syntax so that you don't accidentally render text as HTML and introduce XSS bugs.
...
SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
... Yeah, looks like for Mysql, the JOIN is considered part of the 'table_references' part of a query. MySQL Join
– AWP
Jan 25 '19 at 20:15
add a comment
...
Why am I getting a “401 Unauthorized” error in Maven?
...ver>
<id>nexus-snapshots</id>
<username>MY_SONATYPE_DOT_COM_USERNAME</username>
<password>MY_SONATYPE_DOT_COM_PASSWORD</password>
</server>
you probably need to get the username / password from sonatype dot com.
...
How can I create download link in HTML?
... download, use
<a href="http://example.com/files/myfile.pdf" target="_blank">Download</a>
the target=_blank will make a new browser window appear before the download starts. That window will usually be closed when the browser discovers that the resource is a file download.
Note tha...