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input() error - NameError: name '…' is not defined
...le in your program with import os, and then the user types in
os.remove("/etc/hosts")
this will be evaluated as a function call expression by python and it will be executed. If you are executing Python with elevated privileges, /etc/hosts file will be deleted. See, how dangerous it could be?
To ...
Rename column SQL Server 2008
...ote in your answer that this stored procedure handles default values, null etc contraints while doing the rename, as opposed to a plain alter table that will FAIL if such constraints exist.
– Tuncay Göncüoğlu
Aug 23 '17 at 12:06
...
Inserting image into IPython notebook markdown
... the base path, it would be <img src="files/image.png">, and subdirs etc. are also available: <img src="files/subdir/image.png">, etc.
Update: starting with IPython 2.0, the files/ prefix is no longer needed (cf. release notes). So now the solution <img src="image.png"> simply wor...
What is the difference between the 'COPY' and 'ADD' commands in a Dockerfile?
...ces for Writing Dockerfiles
Because image size matters, using ADD to fetch packages from remote URLs is strongly discouraged; you should use curl or wget instead. That way you can delete the files you no longer need after they've been extracted and you won't have to add another layer in your im...
Block Declaration Syntax List
...on Syntaxes
Throughout, let
return_type be the type of object/primitive/etc. you'd like to return (commonly void)
blockName be the variable name of the block you're creating
var_type be the type object/primitive/etc. you'd like to pass as an argument (leave blank for no parameters)
varName be the...
Form inside a table
...I see that the form elements are closed immediately after opening (inputs, etc are not included within the form).
3 Answers...
Undo working copy modifications of one file in Git?
...e is a reference to the sha of a commit, in any form (branch, tag, parent, etc.)
– Lakshman Prasad
Mar 2 '10 at 15:46
31
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What's the difference between REST & RESTful
...t follow the REST architecture and are basically REST-like, REST-wannabies etc. So always pay attention that a "RESTful service" is not necessarily built using REST architecture, but true as Justin Ethier wrote: exploits the existing technology and protocols of the Web.
– Azder...
How to mock localStorage in JavaScript unit tests?
...no point in checking if length of storage increased after you set an item, etc.
Since it is obviously unreliable to replace methods on the real localStorage object, use a "dumb" mockStorage and stub the individual methods as desired, such as:
var mockStorage = {
setItem: function() {},
remove...
Correct way to define C++ namespace methods in .cpp file
... - because their scope is never reopened (unlike namespaces, global scope, etc.).
Num.1 this can fail with scopes other than classes - anything that can be reopened. So, you may declare a new function in a namespace using this approach, or your inlines could wind up being substituted via ODR. You w...