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Why are dates calculated from January 1st, 1970?
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It is the standard of Unix time.
Unix time, or POSIX time, is a system for describing points in time, defined as the number of seconds elapsed since midnight proleptic Coordinated Universal Time (UTC) of January 1, 1970, not counting leap seconds...
Publish to S3 using Git?
...s3.html
Download jgit.sh, rename it to jgit and put it in your path (for example $HOME/bin).
Setup the .jgit config file and add the following (substituting your AWS keys):
$vim ~/.jgit
accesskey: aws access key
secretkey: aws secret access key
Note, by not specifying acl: public in the .jgit ...
Android: allow portrait and landscape for tablets, but force portrait on phone?
...ources and size qualifiers.
Put this bool resource in res/values as bools.xml or whatever (file names don't matter here):
<?xml version="1.0" encoding="utf-8"?>
<resources>
<bool name="portrait_only">true</bool>
</resources>
Put this one in res/v...
git log of a single revision
I have a commit c. I want to get the changeset of that exact commit c + metainformation and no other one. Is there a simpler way than git log -p c^..c to do that?
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Should Gemfile.lock be included in .gitignore?
...people so I was surprised to find that bundler created a file that didn't exist in the repo and wasn't in the .gitignore list.
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Catching multiple exception types in one catch block
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Update:
As of PHP 7.1, this is available.
The syntax is:
try
{
// Some code...
}
catch(AError | BError $e)
{
// Handle exceptions
}
catch(Exception $e)
{
// Handle the general case
}
Docs: https://www.php.net/manual/en/language.exceptions.php#example-287
RFC: ...
How do you set a default value for a MySQL Datetime column?
...-------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------+-------------+------+-----+-------------------+-------+
| str | varchar(32) | YES | | NULL | |
| ts | timestamp | NO | | CURRENT_TIMESTAMP | |
+-------+------------...
How can I add an item to a IEnumerable collection?
My question as title above. For example,
15 Answers
15
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How do I make the scrollbar on a div only visible when necessary?
...ill only appear when needed.
(Sidenote, you can also specify for only the x, or y scrollbar: overflow-x: auto and overflow-y: auto).
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Rank function in MySQL
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This does not implement the example from the question as it misses the partition by gender part of the analytical function (which "numbers" the rank value per gender not for the overall result)
– a_horse_with_no_name
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