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How do I make a transparent border with CSS?
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And you can use this tool to convert from hex to rgba colour... hexcolortool.com ... where you can optionally specify the hex colour in the URL, like so... hexcolortool.com/#ffcc00
– clayRay
Aug 7 '17 at 1:31
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Efficiently updating database using SQLAlchemy ORM
...ill basically run the same SQL statement as the previous snippet, but also select the changed rows and expire any stale data in the session. If you know you aren't using any session data after the update you could also add synchronize_session=False to the update statement and get rid of that select....
What is that “total” in the very first line after ls -l? [closed]
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Just to mention - you can use -h (ls -lh) to convert this in human readable format.
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ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]
...d with localhost access (which is recommended).
You can check this with:
SELECT host FROM mysql.user WHERE User = 'root';
If you only see results with localhost and 127.0.0.1, you cannot connect from an external source. If you see other IP addresses, but not the one you're connecting from - that...
Building vs. Compiling (Java)
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Build is a compiled version of a program.
Compile means, convert (a program) into a machine-code or lower-level form in which the program can be executed.
In Java: Build is a Life cycle contains sequence of named phases.
for example: maven it has three build life cycles, the ...
Show diff between commits
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gitk --all
Select the first commit
Right click on the other, then diff selected → this
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Storing SHA1 hash values in MySQL
...ong field.
So I recommend you to use BINARY(20) and the UNHEX function to convert the SHA1 value to binary.
I compared storage requirements for BINARY(20) and CHAR(40).
CREATE TABLE `binary` (
`id` int unsigned auto_increment primary key,
`password` binary(20) not null
);
CREATE TABLE `ch...
How can I make console.log show the current state of an object?
...usually do if I want to see it's state at the time it was logged is I just convert it to a JSON string.
console.log(JSON.stringify(a));
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How do I subtract minutes from a date in javascript?
... date according to the above condition in Unix-timestamp format.
you can convert Unix timestamp into conventional time by using new Date().for example
var extract=new Date(minute)
console.log(minute)//this will print the time in the readable format.
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Read and parse a Json File in C#
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string json = r.ReadToEnd();
List<Item> items = JsonConvert.DeserializeObject<List<Item>>(json);
}
}
public class Item
{
public int millis;
public string stamp;
public DateTime datetime;
public string light;
public float temp;
public fl...