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How to use arguments from previous command?
...nd entry in the history (if it's still available depending on your history settings). Useful if you display the history number in each prompt.
– 816-8055
Nov 22 '19 at 13:32
a...
How to find all the subclasses of a class given its name?
...ubsubclasses, you'll have to recurse:
def all_subclasses(cls):
return set(cls.__subclasses__()).union(
[s for c in cls.__subclasses__() for s in all_subclasses(c)])
print(all_subclasses(Foo))
# {<class '__main__.Bar'>, <class '__main__.Baz'>, <class '__main__.Bing'>}
...
Folder structure for a Node.js project
...ins all static content (images, style-sheets, client-side JavaScript)
/assets/images contains image files
/assets/pdf contains static pdf files
/css contains style sheets (or compiled output by a css engine)
/js contains client side JavaScript
/controllers contain all your express routes, separat...
std::vector performance regression when enabling C++11
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Why in Java 8 split sometimes removes empty strings at start of result array?
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Get JSON object from URL
...allow_url_fopen is enabled. This can be done at runtime by including:
ini_set("allow_url_fopen", 1);
You can also use curl to get the url. To use curl, you can use the example found here:
$ch = curl_init();
// IMPORTANT: the below line is a security risk, read https://paragonie.com/blog/2017/10/...
Import / Export database with SQL Server Server Management Studio
...w the wizard.
For SSMS2008+, if you want to also export the data, on the "Set Scripting Options" step, select the "Advanced" button and change "Types of data to script" from "Schema Only" to "Data Only" or "Schema and Data".
...
How can I increment a date by one day in Java?
...new SimpleDateFormat("yyyy-MM-dd");
Calendar c = Calendar.getInstance();
c.setTime(sdf.parse(dt));
c.add(Calendar.DATE, 1); // number of days to add
dt = sdf.format(c.getTime()); // dt is now the new date
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mongodb group values by multiple fields
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What is the correct answer for cout
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