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How do I clear/delete the current line in terminal?
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You can use Ctrl+U to clear up to the beginning.
You can use Ctrl+W to delete just a word.
You can also use Ctrl+C to cancel.
If you want to keep the history, you can use Alt+Shift+# to make it a comment.
Bash Emacs Editing Mode Cheat Sheet
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Array to String PHP?
What is the best method for converting a PHP array into a string?
I have the variable $type which is an array of types.
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“Least Astonishment” and the Mutable Default Argument
Anyone tinkering with Python long enough has been bitten (or torn to pieces) by the following issue:
31 Answers
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How would you implement an LRU cache in Java?
...this question that I want to implement my own using just the SDK (learning by doing). Given that the cache will be used in a multithreaded environment, which datastructures would you use? I've already implemented one using LinkedHashMap and Collections#synchronizedMap , but I'm curious if any of ...
How to replace multiple strings in a file using PowerShell
...nces of strings within this file, and I tried using PowerShell to do the job.
5 Answers
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Configuration System Failed to Initialize
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Make sure that your config file (web.config if web, or app.config if windows) in your project starts as:
<?xml version="1.0"?>
<configuration>
<configSections>
<sectionGroup name="applicationSettings"
ty...
SQL - find records from one table which don't exist in another
I've got the following two SQL tables (in MySQL):
8 Answers
8
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dyld: Library not loaded … Reason: Image not found
When trying to run an executable I've been sent in Mac OS X, I get the following error
31 Answers
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Accurate way to measure execution times of php scripts
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Tim CooperTim Cooper
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Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...this is a general look at stored procedures not regulated to a specific
DBMS. Some DBMS (and even, different
versions of the same DBMS!) may operate
contrary to this, so you'll want to
double-check with your target DBMS
before assuming all of this still holds.
I've been a Sybase ASE, ...