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Is there any way to put malicious code into a regular expression?
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Denial‐of‐Service Concerns
The most common concern with regexes is a denial‐of‐service attack through pathological patterns that go exponential — or even super‐exponential! — and so appear to take forever to solve. These may only show up on particular...
How to throw a C++ exception
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Simple:
#include <stdexcept>
int compare( int a, int b ) {
if ( a < 0 || b < 0 ) {
throw std::invalid_argument( "received negative value" );
}
}
The Standard Library comes with a nice collection of built-in exception objects you can t...
Typescript: difference between String and string
...fe to use either as the TypeScript types are stripped out to give you 100% compatible JavaScript (in either ES3 or ES5 flavours, and in version 1 ES6 flavour). I would recommend using the string type and a literal initialisation: var s: string = "My String";.
– Fenton
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How can I set the max-width of a table cell using percentages?
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115
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How do you send a HEAD HTTP request in Python 2?
...> import httplib
>>> conn = httplib.HTTPConnection("www.google.com")
>>> conn.request("HEAD", "/index.html")
>>> res = conn.getresponse()
>>> print res.status, res.reason
200 OK
>>> print res.getheaders()
[('content-length', '0'), ('expires', '-1'), ('...
How to get JSON from webpage into Python script
... urllib.request, json
with urllib.request.urlopen("http://maps.googleapis.com/maps/api/geocode/json?address=google") as url:
data = json.loads(url.read().decode())
print(data)
Python2 example:
import urllib, json
url = "http://maps.googleapis.com/maps/api/geocode/json?address=google"
res...
When monkey patching an instance method, can you call the overridden method from the new implementat
... ' World'
end
end
foo = Foo.new # this is not actually in your code, it comes from somewhere else
wrapped_foo = WrappedFoo.new(foo) # this is under your control
wrapped_foo.bar # => 'Hello World'
Basically, at the boundary of the system, where the Foo object comes into your code, you wrap ...
Can I change the viewport meta tag in mobile safari on the fly?
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How to install a specific JDK on Mac OS X?
... example). For this, I went to the JDK download homepage: http://java.sun.com/javase/downloads/index.jsp .
I looked for a Mac version, but I'm a bit surprised to only see downloadable versions for Linux, Windows and Solaris ...
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git still shows files as modified after adding to .gitignore
...ndex.
To stop this you have to do : git rm -r --cached .idea/
When you commit the .idea/ directory will be removed from your git repository and the following commits will ignore the .idea/ directory.
PS: You could use .idea/ instead of .idea/* to ignore a directory. You can find more info about...