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Why generate long serialVersionUID instead of a simple 1L?
...glected to use a serialVersionUID before, and then made a change that you know should be compatible but which causes serialization to break.
See the Java Serialization Spec for more details.
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How can I show line numbers in Eclipse?
...I wrote this long ago but as @ArtOfWarfar and @voidstate mentioned you can now simply:
Right click the gutter and select "Show Line Numbers":
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Why should you remove unnecessary C# using directives?
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Now that's what I wanted to hear :-) I am used doing a Organize Usings -> Remove and Sort every now and then. BTW, to me the upper two options in Organize Usings are meaningless. I am talking about VS2013 btw.
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Does adding a duplicate value to a HashSet/HashMap replace the previous value
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ah I get it now. I understood that the key is the element of the Set, but just realized that put() will only override the value, not the key. In this case, it's the same value put alongside the key again, which may or may not be better t...
querySelector search immediate children
...= this.id; // remember current element id
this.id = 'ID_' + Date.now(); // assign new unique id
selectors = selectors.replace(/((^|,)\s*):scope/g, '$1#' + this.id); // replace :scope with #ID
var result = doc[method](selectors);
this.id = id; // restore previo...
Javascript : natural sort of alphanumerical strings
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This is now possible in modern browsers using localeCompare. By passing the numeric: true option, it will smartly recognize numbers. You can do case-insensitive using sensitivity: 'base'. Tested in Chrome, Firefox, and IE11.
Here's ...
How to establish a connection pool in JDBC?
...etAcquireIncrement(5);
cpds.setMaxPoolSize(20);
// The DataSource cpds is now a fully configured and usable pooled DataSource
But if you are running inside an application server, I would recommend to use the built-in connection pool it provides. In that case, you'll need to configure it (refer t...
Can I change the size of UIActivityIndicator?
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I love the one line solutions for simple matters! Now the only issue is how to anti alias it. At twice the size it looks a bit rough on Apple TV
– Michele Dall'Agata
Jul 29 '18 at 8:08
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Is there a way to auto expand objects in Chrome Dev Tools?
...);
} else {
console.log(item);
}
}
})();
Now running:
expandedLog({
"glossary": {
"title": "example glossary",
"GlossDiv": {
"title": "S",
"GlossList": {
"GlossEntry": {
"ID": "SGML",
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Is ASCII code 7-bit or 8-bit?
...he 8th bit of each byte of text for its own purposes ("not 8-bit clean"). Nowadays people think of it as an 8-bit coding in which bytes 0x80 through 0xFF have no defined meaning, but that's a retcon.
There are dozens of text encodings that make use of the 8th bit; they can be classified as ASCII-c...