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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...
Internet Explorer's CSS rules limits
I've read conflicting information regarding Internet Explorer's silly CSS limits. I am (think I am) understanding that you can only have 31 <style> and <link> tags (combined), and that each sheet can have up to 31 @import -s (so 31 <link> -s, each to 31 @import -s is fine, a...
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()...
Passing a string with spaces as a function argument in bash
...bles denoted by a literal dollar sign \$. Then in the function use eval to read the variable and output as expected.
#!/usr/bin/ksh
myFunction()
{
eval string1="$1"
eval string2="$2"
eval string3="$3"
echo "string1 = ${string1}"
echo "string2 = ${string2}"
echo "string3 = ${string3}"
...
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;
...
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...
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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Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]
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(ALMOST) FINAL EDIT
OK, I've read all the comments and this is what I think is the best solution but I've also thought of an ALL-LOCAL ALTERNATIVE. I'm open to further improvement/discussion
var panic= function(){
document.body.innerHTML = '';
...
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:
...