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How can I tell when a MySQL table was last updated?
...ENT_TIMESTAMP,
KEY (updated_at)
);
mysql> INSERT INTO foo VALUES (1, NOW() - INTERVAL 3 DAY), (2, NOW());
mysql> SELECT * FROM foo;
+----+------+---------------------+
| id | x | updated_at |
+----+------+---------------------+
| 1 | NULL | 2013-08-18 03:26:28 |
| 2 | NULL | ...
Calling startActivity() from outside of an Activity?
...the difference between setFlags() and addFlag() methods. All you are doing now is launching an activity with FLAG_ACTIVITY_NEW_TASK. As in the code posted by Cristian below.
– JehandadK
Mar 21 '12 at 5:18
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Inserting image into IPython notebook markdown
...IPython 2.0, the files/ prefix is no longer needed (cf. release notes). So now the solution <img src="image.png"> simply works as expected.
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Why is semicolon allowed in this python snippet?
...limit statements if you wish to put multiple statements on the same line.
Now, why is this allowed? It's a simple design decision. I don't think Python needs this semi-colon thing, but somebody thought it would be nice to have and added it to the language.
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Can I split an already split hunk with git?
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@Filype: I don't know why that would have happened, I'm afraid - if you were running git add -p and edited a hunk with e that should only affect what's staged, not your working tree.
– Mark Longair
Dec 24...
Launching Google Maps Directions via an intent on Android
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Navigation intents seem to be officially supported now: developers.google.com/maps/documentation/android/…
– Sanketh Katta
Feb 15 '15 at 1:59
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Difference between Hive internal tables and external tables?
...ll me the difference between Hive's external table and internal tables.
I know the difference comes when dropping the table. I don't understand what you mean by the data and metadata is deleted in internal and only metadata is deleted in external tables.
Can anyone explain me in terms of nodes pleas...
How to replace all occurrences of a string?
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Now from august 2020, you can use inbuilt replaceAll function, stackoverflow.com/a/63587267/8798220
– Nisharg Shah
Aug 25 at 21:22
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How can I get the list of files in a directory using C or C++?
...Ronkko. In Unix, it is a standard header.
UPDATE 2017:
In C++17 there is now an official way to list files of your file system: std::filesystem. There is an excellent answer from Shreevardhan below with this source code:
#include <string>
#include <iostream>
#include <filesystem>...
Calculating frames per second in a game
...ading. "current_frame" would be more descriptive. It is also important to know that the variable "time" in the example must be global (i.e. keep it's value across all frames) and ideally a floating point number. It contains the average/aggregate value and get's updated on each frame. The higher the ...