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Pythonic way to create a long multi-line string
... quotes to start and end them.
s = """ this is a very
long string if I had the
energy to type more and more ..."""
You can use single quotes too (3 of them of course at start and end) and treat the resulting string s just like any other string.
NOTE: Just as with any string, anyt...
Best way to use PHP to encrypt and decrypt passwords? [duplicate]
...e and passwords, etc... I want to keep information secure, but I know that if I hash their information, I can't retrieve it for later use.
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When should I use a List vs a LinkedList
... = 0;
foreach (var item in list)
sum += item.A;
Even if you only access data essentially it is much slower!! I say never use a linkedList.
Here is another comparison performing a lot of inserts (we plan on inserting an item at the middle of the list)
Linked List (51 se...
Are there benefits of passing by pointer over passing by reference in C++?
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A pointer can receive a NULL parameter, a reference parameter can not. If there's ever a chance that you could want to pass "no object", then use a pointer instead of a reference.
Also, passing by pointer allows you to explicitly see at the call site whether the object is passed by value or by ...
When to create a new app (with startapp) in Django?
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Does that mean, if I make a child model, it must always be in the same app? Since I can't easily drop it into another project without bringing over two "apps"
– Lionel
Feb 10 '11 at 5:22
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Use grep to report back only line numbers
... machine, this is only printing the matched files without line numbers (so if I have 3 matches inside a file it is only printed once) which is very useful still...
– Mario Awad
Nov 30 '12 at 12:17
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What's the difference between == and .equals in Scala?
What is the difference between == and .equals() in Scala, and when to use which?
5 Answers
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node.js, Error: Cannot find module 'express'
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It says
Cannot find module 'express'
Do you have express installed?If not then run this.
npm install express
And run your program again.
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Visual Studio TFS shows unchanged files in the list of pending changes
...e it with latest version and I get an a message 'The files are identical' If the files are identical why is this file showing up in pending changes window? What changed about this file? Can I configure TFS not to list files that are identical?
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Synthetic Class in Java
...ou have a switch statement, java creates a variable that starts with a $. If you want to see an example of this, peek into the java reflection of a class that has a switch statement in it. You will see these variables when you have at least one switch statement anywhere in the class.
To answer y...