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What is the purpose of the single underscore “_” variable in Python?
... import gettext
gettext.bindtextdomain('myapplication', '/path/to/my/language/directory')
gettext.textdomain('myapplication')
_ = gettext.gettext
# ...
print(_('This is a translatable string.'))
2019 update: Added lambda. For a long time this answer only listed three use cases...
How to check iOS version?
...ewControllerTransitionStyleScroll in iOS6.
– Paul de Lange
Nov 20 '12 at 13:11
7
This doesn't wor...
Why is there no String.Empty in Java?
...
Use org.apache.commons.lang.StringUtils.EMPTY
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Get nested JSON object with GSON using retrofit
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@Mr.Tea It'll be java.lang.reflect.Type
– aidan
Jun 15 '15 at 13:07
1
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No line-break after a hyphen
...dle because it does not support meta tags.
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="X-UA-Compatible" content="IE=9" />
<meta charset="utf-8"/>
<style>
body { padding: 20px; }
div { width: 300px;...
What is the C# equivalent to Java's isInstance()?
...ote that while both Java and C# work on the runtime type object (Java java.lang.Class ≣ C# System.Type) of an obj (via .getClass() vs .getType()), Java’s isInstance takes an object as its argument, whereas C#’s IsAssignableFrom expects another System.Type object.
...
What is the difference between SQL, PL-SQL and T-SQL?
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SQL is a query language to operate on sets.
It is more or less standardized, and used by almost all relational database management systems: SQL Server, Oracle, MySQL, PostgreSQL, DB2, Informix, etc.
PL/SQL is a proprietary procedural langu...
How can I get the SQL of a PreparedStatement?
...
It doesn't work and throws ClassCastException: java.lang.ClassCastException: oracle.jdbc.driver.T4CPreparedStatement cannot be cast to com.mysql.jdbc.JDBC4PreparedStatement
– Ercan
Apr 4 '19 at 13:15
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Double vs. BigDecimal?
...33333333333335
Float: 10 / 3 = 3.3333333
Exception in thread "main" java.lang.ArithmeticException: Non-terminating decimal expansion
But:
static void theDoubleProblem2() {
BigDecimal bd3 = new BigDecimal("10");
BigDecimal bd4 = new BigDecimal("3");
System.out.println("BigDec:\t 10 ...
jQuery form serialize - empty string
...e and did it before serializing the form...
– Daniel Lang
Jul 15 '13 at 13:55
1
Oh my gosh this w...