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reducing number of plot ticks
... As I had a lot of datapoints to plot, pyplot was printing a lot (>500) ticks per axis. This heavily slowed down the plotting process. By reducing the number of thicks with set_major_locator(5) the plotting process is much faster.
– Sparkofska
Aug 11...
Identify if a string is a number
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You can also use:
stringTest.All(char.IsDigit);
It will return true for all Numeric Digits (not float) and false if input string is any sort of alphanumeric.
Please note: stringTest should not be an empty string as this would pass the test of be...
Concatenating two lists - difference between '+=' and extend()
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compiler -> interpreter?
– joel
Mar 17 at 16:21
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Add default value of datetime field in SQL Server to a timestamp
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Put your table in design view (Right click on table in object explorer->Design)
Add a column to the table (or click on the column you want to update if it already exists)
In Column Properties, enter (getdate()) in Default Value or
Binding field as pictured below
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How do I consume the JSON POST data in an Express application
...ST request:
app.post('/mypost', express.json({type: '*/*'}), (req, res) => {
// echo json
res.json(req.body);
});
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How can I read large text files in Python, line by line, without loading it into memory?
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Saved my day, in my case, with >~4gb files with two file handlers (one read, the other write) python was hanging and now it's fine! Thanks.
– Xelt
Apr 23 '19 at 13:37
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UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to
...ext has a command to display encoding if it has been set...
Go to View -> Show Console (or Ctrl+`)
Type into field at the bottom view.encoding() and hope for the best (I was unable to get anything but Undefined but maybe you will have better luck...)
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Check whether a string is not null and not empty
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Beware, it's only available since Java SE 1.6. You have to check str.length() == 0 on previous versions.
To ignore whitespace as well:
if(str != null && !str.trim().isEmpty())
(since Java 11 str.trim().isEmpty() can be reduced to str.isBlank() which will also test for other Unicode ...
Block Declaration Syntax List
...research/add them.
Oh, and in Swift...
blockName = (varName: var_type) -> (return_type)
It's almost like it's a language feature.
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Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat
...= fpath.replace("/","\\") # forwin
ftmp.close()
os.system(cmd + " > " + fpath)
data = ""
with open(fpath, 'r') as file:
data = file.read()
file.close()
os.remove(fpath)
return data
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