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Try/Catch block in PHP not catching Exception
...n another language like C# (Csharp).
If you do this:
try{
//division by zero
$number = 5/0;
}
catch(Exception $ex){
echo 'Got it!';
}
You will not see the 'Got it!' message never. Why? It's just because PHP always needs an Exception to be "Thrown". You need to set your own error hand...
How do I execute a bash script in Terminal?
...
Change your directory to where script is located by using cd command
Then type
bash program-name.sh
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Getting “bytes.Buffer does not implement io.Writer” error message
..., but writes to a string instead of a file or file-like object. I thought bytes.Buffer would work since it implements Write(p []byte) . However when I try this:
...
What is your preferred style for naming variables in R? [closed]
... ESS is pretty widely used you won't see many underscores in code authored by ESS users (and that set includes a bunch of R Core as well as CRAN authors, excptions like Hadley notwithstanding);
dots are evil too because they can get mixed up in simple method dispatch; I believe I once read comments ...
Update statement with inner join on Oracle
...SET t.OLD = t.NEW
It depends if the inline view is considered updateable by Oracle
( To be updatable for the second statement depends on some rules listed
here ).
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How can I load an object into a variable name that I specify from an R data file?
...ondingly, save and restore all object's attributes, including ones created by an application (via attr)? I tried to use this approach instead of save and load, trying to find a workaround for my problem. Howver, it doesn't seem to be the case, unless I'm doing something wrong: stackoverflow.com/ques...
How To Auto-Format / Indent XML/HTML in Notepad++
...ace below files from xml tools which you downloaded in the npp root folder by copy replace
Go To ..\Plugins subfolder and place below downloaded file
Restart and enjoy!!!
Ctrl + Alt + Shft + B to format.
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How to get a pixel's x,y coordinate color from an image?
...as your image and has the image drawn on it.
var img = document.getElementById('my-image');
var canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
canvas.getContext('2d').drawImage(img, 0, 0, img.width, img.height);
After that, when a user clicks, use...
How to debug a Flask app
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$env:FLASK_ENV = "development"
Prior to Flask 1.0, this was controlled by the FLASK_DEBUG=1 environment variable instead.
If you're using the app.run() method instead of the flask run command, pass debug=True to enable debug mode.
Tracebacks are also printed to the terminal running the server,...
What is the 'cls' variable used for in Python classes?
...lass method. Check this reference for further details.
EDIT: As clarified by Adrien, it's a convention. You can actually use anything but cls and self are used (PEP8).
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