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Building big, immutable objects without using constructors having long parameter lists
I have some big (more than 3 fields) objects that can and should be immutable. Every time I run into that case I tend to create constructor abominations with long parameter lists.
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How to edit multi-gigabyte text files? Vim doesn't work =( [closed]
... loading small portions into memory at once? It doesn't seem like Vim can handle it =(
15 Answers
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How do you use script variables in psql?
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Postgres variables are created through the \set command, for example ...
\set myvariable value
... and can then be substituted, for example, as ...
SELECT * FROM :myvariable.table1;
... or ...
SELECT * FROM table1 WHERE :myvariable IS NULL;
edit: As of psql 9.1, varia...
Java 8 Lambda function that throws exception?
I know how to create a reference to a method that has a String parameter and returns an int , it's:
25 Answers
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“Register” an .exe so you can run it from any command line in Windows
...w can you make a .exe file accessible from any location in the Windows command window? Is there some registry entry that has to be entered?
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How do I redirect output to a variable in shell? [duplicate]
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This captures the output of a command, but it does not use a redirect. If you actually need to use a redirect because of a more complex need, See my answer. Google brought you here, right? Why go somewhere else to find the answer you searched for?
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Declare a block method parameter without using a typedef
... (void)smartBlocks:(NSString *)yo youSmart:(void (^) (NSString *response))handler {
if ([yo compare:@"Pen"] == NSOrderedSame) {
handler(@"Ink");
}
if ([yo compare:@"Pencil"] == NSOrderedSame) {
handler(@"led");
}
}
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How to avoid overflow in expr. A * B - C * D
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Both long long and double are 64 bits. Since double has to allocate some bits for the exponent, it has a smaller range of possible values without loss of precision.
– Jim Garrison
Nov 5 '12 at 19:03
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Changing the child element's CSS when the parent is hovered
...use CSS?
.parent:hover .child, .parent.hover .child { display: block; }
and then add JS for IE6 (inside a conditional comment for instance) which doesn't support :hover properly:
jQuery('.parent').hover(function () {
jQuery(this).addClass('hover');
}, function () {
jQuery(this).removeCla...
How to make a function wait until a callback has been called using node.js
... be "returned" in the normal sense, but rather send the routine that will handle the resulting value:
function(query, callback) {
myApi.exec('SomeCommand', function(response) {
// other stuff here...
// bla bla..
callback(response); // this will "return" your value to the original cal...