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“Cannot connect to iTunes Store” in-app purchases
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How do I pass JavaScript variables to PHP?
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Compelling examples of custom C++ allocators?
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How do you send a HEAD HTTP request in Python 2?
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Vagrant's port forwarding not working [closed]
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answered May 13 '11 at 13:07
Steve LoshSteve Losh
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How can I check a C# variable is an empty string “” or null? [duplicate]
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221
if (string.IsNullOrEmpty(myString)) {
//
}
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Converting from longitude\latitude to Cartesian coordinates
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answered Jul 26 '09 at 21:04
bn.bn.
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How to avoid java.util.ConcurrentModificationException when iterating through and removing elements
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answered Nov 12 '11 at 13:24
Jon SkeetJon Skeet
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PostgreSQL create table if not exists
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This feature has been implemented in Postgres 9.1:
CREATE TABLE IF NOT EXISTS myschema.mytable (i integer);
For older versions, here is a function to work around it:
CREATE OR REPLACE FUNCTION create_mytable()
RETURNS void
LANGUAGE plpgsql AS
$func$
BEGIN
IF EXIS...