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SQL Server - Create a copy of a database table and place it in the same database?
...a table ABC in a database DB. I want to create copies of ABC with names ABC_1, ABC_2, ABC_3 in the same DB. How can I do that using either Management Studio (preferably) or SQL queries ?
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Proper use of beginBackgroundTaskWithExpirationHandler
...ed.
Mine tend look something like this:
- (void) doUpdate
{
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
[self beginBackgroundUpdateTask];
NSURLResponse * response = nil;
NSError * error = nil;
NSData * responseData = [NSU...
How to add column if not exists on PostgreSQL?
...statement:
DO $$
BEGIN
BEGIN
ALTER TABLE <table_name> ADD COLUMN <column_name> <column_type>;
EXCEPTION
WHEN duplicate_column THEN RAISE NOTICE 'column <column_name> already exists in <table_name>.';
END;
END;
$$
...
How to efficiently compare two unordered lists (not sets) in Python?
... objects are not unhashable per se. You just have to implements a sensible __hash__, but that might be impossible for collections.
– Jochen Ritzel
Oct 19 '11 at 22:23
...
Transposing a NumPy array
...range(10) then a is array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]) as produced by a.__repr__(). This is a 1-dimensional (i.e. a.ndim --> 1) vector as indicated by the square brackets []. The array( ... ) is not seen when you do either print(a) or a.__str__().
– dtlussier
...
open read and close a file in 1 line of code
...athlib module does what you looking for:
Path('pagehead.section.htm').read_text()
Don't forget to import Path:
jsk@dev1:~$ python3
Python 3.5.2 (default, Sep 10 2016, 08:21:44)
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from ...
After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31
...ly found the answer here:
http://www.adam-bien.com/roller/abien/entry/java_se_development_kit_7
You should use JAVA_HOME=$(/usr/libexec/java_home) instead on a Mac and then set the current jdk via "Java Preferences.app".
Set JAVA_HOME in ~/.profile
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django - why is the request.POST object immutable?
...QueryDict class, which implements a full set of mutation methods including __setitem__, __delitem__, pop and clear. It implements immutability by checking a flag when you call one of the mutation methods. And when you call the copy method you get another QueryDict instance with the mutable flag turn...
How to pattern match using regular expression in Scala?
...ter match {
case Pattern(c) => c bound to capture group here
case _ =>
}
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PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
I did a lot of searching and also read the PHP $_SERVER docs . Do I have this right regarding which to use for my PHP scripts for simple link definitions used throughout my site?
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