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Can pandas automatically recognize dates?
...tions of date though. Apologies to pandas developers,here but i have not tested it with local dates recently.
you can use the date_parser parameter to pass a function to convert your format.
date_parser : function
Function to use for converting a sequence of string columns to an array of datetim...
How to concatenate strings of a string field in a PostgreSQL 'group by' query?
...parated_names FROM things;
--> ERROR: syntax error at or near "ORDER"
Tested on PostgreSQL 8.3.
CREATE FUNCTION string_agg_transfn(text, text, text)
RETURNS text AS
$$
BEGIN
IF $1 IS NULL THEN
RETURN $2;
ELSE
RETURN $1 ||...
What is the meaning of “this” in Java?
...ontext of an object. So if you have a class like this:
public class MyThisTest {
private int a;
public MyThisTest() {
this(42); // calls the other constructor
}
public MyThisTest(int a) {
this.a = a; // assigns the value of the parameter a to the field of the same name
}
publ...
What's the -practical- difference between a Bare and non-Bare repository?
...not have a default remote origin repository:
~/Projects$ git clone --bare test bare
Initialized empty Git repository in /home/derek/Projects/bare/
~/Projects$ cd bare
~/Projects/bare$ git branch -a
* master
~/Projects/bare$ cd ..
~/Projects$ git clone test non-bare
Initialized empty Git repository ...
CSS: How to position two elements on top of each other, without specifying a height?
... <div class="layer1">
<span>Lorem ipsum...<br>Test test</span>
</div>
<div class="layer2">
More lorem ipsum...
</div>
</div>
<div class="container_row">
...same HTML as above. This one should never overla...
Why can't Python's raw string literals end with a single backslash?
...ng with a slash I suggest you can use this trick:
>>> print r"c:\test"'\\'
test\
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PostgreSQL Autoincrement
...t;=0)
);
ALTER SEQUENCE table1_seq OWNED BY table1.col_a;
If you wish to test how MySQL is different, run the following on a MySQL database:
CREATE TABLE table1 (
uid int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY,
col_b int unsigned NOT NULL
);
INSERT INTO table1 (col_b) VALUES(1);
INSERT...
Javascript callback when IFRAME is finished loading?
...
I am using jQuery and surprisingly this seems to load as I just tested and loaded a heavy page and I didn't get the alert for a few seconds until I saw the iframe load:
$('#the_iframe').load(function(){
alert('loaded!');
});
So if you don't want to use jQuery take a look at their s...
Error - Unable to access the IIS metabase
...etter to solve each security matter as it crops up in development (as your test each part of the code well) and document the solution needed for users/installer than to turn this Run-as-Administator off just before you roll a release and hope your testers find every security concern you wallpapered ...
How to get the current time as datetime
...
Tested with Swift 4
Getting the Current Date and Time
You can get the current date and time as simply as this:
let currentDateTime = Date()
However, Date is a 64-bit floating point number measuring the number of seconds sinc...