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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
...patch_after and hit Enter to autocomplete to the following:
Here's an example with two floats as "arguments." You don't have to rely on any type of macro, and the intent of the code is quite clear:
Swift 3, Swift 4
let time1 = 8.23
let time2 = 3.42
// Delay 2 seconds
DispatchQueue.main.asyncA...
Truncating all tables in a Postgres database
...ve to do this, I will simply create a schema sql of current db, then drop & create db, then load db with schema sql.
Below are the steps involved:
1) Create Schema dump of database (--schema-only)
pg_dump mydb -s > schema.sql
2) Drop database
drop database mydb;
3) Create Database
crea...
PHP: How to handle
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No, PHP skips CDATA completely for some reason. Any other ideas?
– Angelo
Jun 4 '10 at 0:24
4
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Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./
... special character in character classes, so it needs to be first:
/[-!$%^&*()_+|~=`{}\[\]:";'<>?,.\/]/
You also need to escape the other regular expression metacharacters.
Edit:
The hyphen is special because it can be used to represent a range of characters. This same character class ...
How to generate .json file with PHP?
json.php code
8 Answers
8
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How do you express binary literals in Python?
...ith a 0 followed by a B or b followed by a series of zeros and ones, for example:
>>> 0b0010101010
170
>>> 0B010101
21
From the Python 3 docs, these are the ways of providing integer literals in Python:
Integer literals are described by the following lexical definitions:
in...
Best XML parser for Java [closed]
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java-samples.com/showtutorial.php?tutorialid=152 (personally love SAX)
– kitokid
Dec 15 '12 at 6:42
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How to escape a JSON string containing newline characters using JavaScript?
....replace(/\\"/g, '\\"')
.replace(/\\&/g, "\\&")
.replace(/\\r/g, "\\r")
.replace(/\\t/g, "\\t")
.replace(/\\b/g, "\\b")
...
Haskell: How is pronounced? [closed]
...om working on Bool to working on Maybe Bool. But what if we want to lift (&&)?
maybeAnd' :: Maybe Bool -> Maybe (Bool -> Bool)
maybeAnd' = fmap (&&)
Well, that's not what we want at all! In fact, it's pretty much useless. We can try to be clever and sneak another Bool into M...
How to remove/delete a large file from commit history in Git repository?
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@tony It's worth repeating the entire cloning & clearing procedure to see if the message asking you to pull re-occurs, but it's almost certainly because your remote server is configured to reject non-fast-forward updates (ie, it's configured to stop you from losing hi...