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Java: Date from unix timestamp
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Instant instant = Instant.ofEpochSecond( 1_280_512_800L );
instant.toString(): 2010-07-30T18:00:00Z
See that code run live at IdeOne.com.
Asia/Kabul or Asia/Tehran time zones ?
You reported getting a time-of-day value of 22:30 instead of the 18:00 seen here. I suspect your PHP utility is...
Search text in fields in every table of a MySQL database
I want to search in all fields from all tables of a MySQL database a given string, possibly using syntax as:
24 Answers
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How to determine if a number is a prime with regex?
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You said you understand this part, but just to emphasize, the String generated has a length equal to the number supplied. So the string has three characters if and only if n == 3.
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The first part of the regex says, "any character, zero or one times". So basically, is there zero or ...
How can I group by date time column without taking time into consideration
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In pre Sql 2008 By taking out the date part:
GROUP BY CONVERT(CHAR(8),DateTimeColumn,10)
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How to convert array to SimpleXML
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Empty Array-values [(string)""] will be changed to an empty SimpleXML-Node instead of being left empty.
– Jonathan
Oct 23 '14 at 10:54
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Difference between fold and reduce?
...or they are there to accommodate people with different backgrounds? (E.g.: String and string in C#)
4 Answers
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Are PDO prepared statements sufficient to prevent SQL injection?
...xbf27. In gbk, that's an invalid multibyte character; in latin1, it's the string ¿'. Note that in latin1 and gbk, 0x27 on its own is a literal ' character.
We have chosen this payload because, if we called addslashes() on it, we'd insert an ASCII \ i.e. 0x5c, before the ' character. So we'd win...
Convert file path to a file URI?
...ing the backslashes with forward slashes and feed the path to Uri.EscapeUriString - i.e.
new Uri(Uri.EscapeUriString(filePath.Replace(Path.DirectorySeparatorChar, '/'))).AbsoluteUri
This seems to work at first, but if you give it the path C:\a b.txt then you end up with file:///C:/a%2520b.txt ins...
Best database field type for a URL
...oc/refman/5.0/en/char.html
Values in VARCHAR columns are variable-length strings. The length can be specified as a value from 0 to 255 before MySQL 5.0.3, and 0 to 65,535 in 5.0.3 and later versions. The effective maximum length of a VARCHAR in MySQL 5.0.3 and later is subject to the maximum row s...
How to implement Rate It feature in Android App
... does on the first run):
public class AppRater {
private final static String APP_TITLE = "App Name";// App Name
private final static String APP_PNAME = "com.example.name";// Package Name
private final static int DAYS_UNTIL_PROMPT = 3;//Min number of days
private final static int LA...