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How to rename a file using Python
... as well:
ext = p.suffix
We can perform our modification with a simple string manipulation:
Python 3.6 and greater make use of f-strings!
new_file_name = f"{name_without_extension}_1"
Otherwise:
new_file_name = "{}_{}".format(name_without_extension, 1)
And now we can perform our rename by...
What does ~~ (“double tilde”) do in Javascript?
... integers. This works whether the operands are (floating-point) numbers or strings, and the result is a number.
In other words, it yields:
function(x) {
if(x < 0) return Math.ceil(x);
else return Math.floor(x);
}
only if x is between -(231) and 231 - 1. Otherwise, overflow will occur and ...
Maximum length for MySQL type text
...iting it, it's automatically broken down into chunks that get added as the string grows, so it won't always blindly use 64k.
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jQuery: select an element's class and id at the same time?
I've got some links that I want to select class and id at the same time.
6 Answers
6
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Ordering by the order of values in a SQL IN() clause
...is will do exactly what you want if you paste the ids into the IN() clause and the FIELD() function in the same order.
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How do I format a number with commas in T-SQL?
...s does include trailing decimals, though, that could be looped off with SUBSTRING.
SELECT CONVERT(varchar, CAST(987654321 AS money), 1)
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How do you return the column names of a table?
...rver 2008? i.e. a table contains these columns- id, name, address, country and I want to return these as data.
20 Answers
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Detecting an “invalid date” Date instance in JavaScript
...
Here's how I would do it:
if (Object.prototype.toString.call(d) === "[object Date]") {
// it is a date
if (isNaN(d.getTime())) { // d.valueOf() could also work
// date is not valid
} else {
// date is valid
}
} else {
// not a date
}
Update [2018-05-31]...
android.view.InflateException: Binary XML file: Error inflating class fragment
I have a very frustrating error that I cannot explain. I created an Android application that uses Android AppCompat to make it compatible with older versions. Here is my main activity layout file:
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Display date/time in user's locale format and time offset
... methods to set it to the date/time you want.
Then the various toLocale…String methods will provide localized output.
Example:
// This would come from the server.
// Also, this whole block could probably be made into an mktime function.
// All very bare here for quick grasping.
d = new D...