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Why does Typescript use the keyword “export” to make classes and interfaces public?
...es from "export/private/protected" being a poorly matched set of access modifiers, I believe there is a subtle difference between the two that explains this.
In TypeScript, marking a class member as public or private has no effect on the generated JavaScript. It is simply a design / compile time to...
How do I install a plugin for vim?
...do
vim_dir = File.expand_path("~/.vim")
plugin_dir = Dir.pwd
if not (FileTest.exists? File.join(plugin_dir,".git") or
FileTest.exists? File.join(plugin_dir,".svn") or
FileTest.exists? File.join(plugin_dir,".hg"))
puts "#{plugin_dir} isn't a source controlled d...
Pandoc markdown page break
...
Both work (thanks!), but what's the difference between the two or are they exactly equivalent?
– Kalin
May 16 '14 at 1:00
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Get file size, image width and height before upload
... document.getElementById('preview');
const readImage = file => {
if ( !(/^image\/(png|jpe?g|gif)$/).test(file.type) )
return EL_preview.insertAdjacentHTML('beforeend', `Unsupported format ${file.type}: ${file.name}<br>`);
const img = new Image();
img.addEventListener('lo...
What is the maximum number of characters that nvarchar(MAX) will hold?
...
@quakkels: use VARCHAR(MAX), if you don't need the 2-byte support for Asian, Arab or Cyrillic languages. Use (N)VARCHAR(x) if you know a string will never be longer than x characters (don't use NVARCHAR(MAX) for a first name - use NVARCHAR(50) or whateve...
How do I provide JVM arguments to VisualVM?
...
Should be able to modify the memory settings in %JDK_HOME%\lib\visualvm\etc\visualvm.conf
Xms and Xmx are in the default_options line.
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How can I check if multiplying two numbers in Java will cause an overflow?
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If a and b are both positive then you can use:
if (a != 0 && b > Long.MAX_VALUE / a) {
// Overflow
}
If you need to deal with both positive and negative numbers then it's more complicated:
long maximum = Lo...
MySQL how to join tables on two fields
... date)
perhaps you'll need to use INNEER JOIN or
where t2.id is not null
if you want results only matching both conditions
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how to bypass Access-Control-Allow-Origin?
...ctively disables CORS protection, and leaves your users exposed to attack. If you're not completely certain that you need to allow all origins, you should lock this down to a more specific origin:
header('Access-Control-Allow-Origin: https://www.example.com')
Please refer to following stack answe...
How to cast/convert pointer to reference in C++
...es this seems to be the problem - I guess its an issue to take to MetaSO - if someone hasn't raised it there already.
– Ricibob
Apr 16 '12 at 21:47
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