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How to import load a .sql or .csv file into SQLite?
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To import from an SQL file use the following:
sqlite> .read <filename>
To import from a CSV file you will need to specify the file type and destination table:
sqlite> .mode csv <table>
sqlite> .import <filename> <table>
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'AND' vs '&&' as operator
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People's inability to read the documentation for a language does not make the language's decisions wrong. As Mladen notes, Perl and Ruby also use these extra operators, and with the same precedences. It allows for constructs such as $foo and bar()...
How to redirect cin and cout to files?
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Here is an working example of what you want to do. Read the comments to know what each line in the code does. I've tested it on my pc with gcc 4.6.1; it works fine.
#include <iostream>
#include <fstream>
#include <string>
void f()
{
std::string line;
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How can I find a specific element in a List?
... == "xy");
You can also use auto-implemented properties if you need a read-only property:
public string Id { get; private set; }
This enables you to set the Id within the class but not from outside. If you need to set it in derived classes as well you can also protect the setter
public stri...
What does “use strict” do in JavaScript, and what is the reasoning behind it?
... are dynamically scoped. This is
confusing, making programs difficult to read and understand.
Misunderstanding causes bugs. It also is a problem for performance.
Static scoping would permit variable binding to happen at compile
time, but the requirement for dynamic scope means the binding mu...
In what order do static/instance initializer blocks in Java run?
...n a class, such blocks are run in the order they appear in the code. I've read that it's the same across classes, but some sample code I wrote disagrees with that. I used this code:
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How do I choose between Tesseract and OpenCV? [closed]
...s an OCR engine. It's used, worked on and funded by Google specifically to read text from images, perform basic document segmentation and operate on specific image inputs (a single word, line, paragraph, page, limited dictionaries, etc.).
OpenCV, on the other hand, is a computer vision library that ...
What is a NullPointerException, and how do I fix it?
...has been part of SAP commercial JVM since 2006. The following is 2 minutes read to understand this amazing language feature.
https://jfeatures.com/blog/NullPointerException
In java 14 following is sample NullPointerException Exception message:
in thread "main" java.lang.NullPointerException: Cannot...
C# Test if user has write access to a folder
...nother tab but hadn't seen the answer about DirectorySecurity, teach me to read all the answers not just the accepted one;-)
– Chris B
Sep 11 '09 at 10:45
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How do you tell someone they're writing bad code? [closed]
... much better because it gets me thinking about ways other than what I've already decided on. With the latter tone, I'm much more likely to see the light.
– Bill the Lizard
Aug 5 '09 at 18:33
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