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Is there any way to put malicious code into a regular expression?
...t code callouts, some mechanism for allowing or disallowing these from the string you’re going to compile should be provided. Even if code callouts are only to code in the language you are using, you should restrict them; they don’t have to be able to call external code, although if they can, y...
How do I make class methods / properties in Swift?
...thods and you use the class or static keywords.
class Foo {
var name: String? // instance property
static var all = [Foo]() // static type property
class var comp: Int { // computed type property
return 42
}
class func alert() { // type method
...
Amazon S3 direct file upload from client browser - private key disclosure
...orary cred
Once you have the cred, create a bucket policy (base 64 encoded string). Then sign the bucket policy with the temporary secret access key to generate final signature
send the necessary parameters back to the UI
Once this is received, create a html form object, set the required params and ...
In-place edits with sed on OS X
...
You can use:
sed -i -e 's/<string-to-find>/<string-to-replace>/' <your-file-path>
Example:
sed -i -e 's/Hello/Bye/' file.txt
This works flawless in Mac.
sha...
Calculate total seconds in PHP DateInterval
...otalFullSeconds(
new IntervalFromRange(
new DateTimeFromISO8601String('2017-07-03T14:27:39+00:00'),
new DateTimeFromISO8601String('2017-07-05T14:27:39+00:00')
)
))
->value()
Besides being intuitive, you can also benefit from autocompletion facility of your IDE.
For ...
regex for zip-code
...
^\d{5}(?:[-\s]\d{4})?$
^ = Start of the string.
\d{5} = Match 5 digits (for condition 1, 2, 3)
(?:…) = Grouping
[-\s] = Match a space (for condition 3) or a hyphen (for condition 2)
\d{4} = Match 4 digits (for condition 2, 3)
…? = The pattern before it is optio...
Python creating a dictionary of lists
...
Personally, I just use JSON to convert things to strings and back. Strings I understand.
import json
s = [('yellow', 1), ('blue', 2), ('yellow', 3), ('blue', 4), ('red', 1)]
mydict = {}
hash = json.dumps(s)
mydict[hash] = "whatever"
print mydict
#{'[["yellow", 1], ["blue"...
Difference between git stash pop and git stash apply
...e working on master branch and have a file hello.txt that contains "Hello" string.
Let's modify the file and add " world" string to it. Now you want to move to a different branch to fix a minor bug you've just found, so you need to stash your changes:
git stash
You moved to the other branch, fix...
How to make Sequelize use singular table names
...e: true:
var Project = sequelize.define('Project', {
title: Sequelize.STRING,
description: Sequelize.TEXT
})
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Get path from open file in Python
...I have an opened file, is there an os call to get the complete path as a string?
4 Answers
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