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How do I print the type of a variable in Rust?
... @JIXiang: the Rust Language Server is all about providing this information to an IDE, but it’s not mature yet—its first alpha release was only a couple of days ago. Yes, this is an eldritch approach; yes, less esoteric ways of achieving the goal are steadily coming.
...
How to delete all datastore in Google App Engine?
... remote_shell_api.py yourapp /remote_api
The shell will ask for your login info, and if authorized, will make a Python shell for you. You need setup url handler for /remote_api in your app.yaml
fetch the entities you'd like to delete, the code looks something like:
from models import Entry
...
Get record counts for all tables in MySQL database
...
SELECT SUM(TABLE_ROWS)
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = '{your_db}';
Note from the docs though: For InnoDB tables, the row count is only a rough estimate used in SQL optimization. You'll need to use COUNT(*) for exact counts (...
View/edit ID3 data for MP3 files
...k at doing it yourself.. here is a C# snippet I found to read an mp3's tag info.
class MusicID3Tag
{
public byte[] TAGID = new byte[3]; // 3
public byte[] Title = new byte[30]; // 30
public byte[] Artist = new byte[30]; // 30
public byte[] Album = new byte[30]; ...
Detect URLs in text with JavaScript
...]|(?:edu|e[cegrstu])|f[ijkmor]|(?:gov|g[abdefghilmnpqrstuwy])|h[kmnrtu]|(?:info|int|i[delmnoqrst])|(?:jobs|j[emop])|k[eghimnrwyz]|l[abcikrstuvy]|(?:mil|mobi|museum|m[acdghklmnopqrstuvwxyz])|(?:name|net|n[acefgilopruz])|(?:org|om)|(?:pro|p[aefghklmnrstwy])|qa|r[eouw]|s[abcdeghijklmnortuvyz]|(?:tel|tr...
CSS text-overflow: ellipsis; not working?
...ee to experiment with the other points as well; I've tried to give as much info as possible to help you understand how these things interact together; a large part of understanding CSS is about understanding how various styles work together.
Here's a snippet with your code, with a display:inline-bl...
Get property value from string using reflection
...null) { return null; }
Type type = obj.GetType();
PropertyInfo info = type.GetProperty(part);
if (info == null) { return null; }
obj = info.GetValue(obj, null);
}
return obj;
}
public static T GetPropValue<T>(this Object obj, String name) {
Object...
What is the “-d” in “npm -d install”?
...
It's a shortcut for --loglevel info
See the Shorthands and Other CLI Niceties section:
-d: --loglevel info
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How to count objects in PowerShell?
...ning get-alias returns me a number of System.Management.Automation.AliasInfo objects:
5 Answers
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mysql_config not found when installing mysqldb python interface
...Reading package lists...Done Building dependency tree Reading state information...Done Note, selecting libmysqlclient15-dev instead of libmysqlclient-dev Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distri...