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What is Full Text Search vs LIKE
...antages to full text searching.
Indexing:
Something like:
WHERE Foo LIKE '%Bar';
Cannot take advantage of an index. It has to look at every single row, and see if it matches. A fulltext index, however, can. In fact, fulltext indexes can offer a lot more flexibility in terms of the o...
In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
...he definition but extract nothing from it; that is, define -DDEBUG=5 (or ="FOO"), and then try to print it with "println(DEBUG is (DEBUG)". That line generates no errors, but does not do anything.
– David H
Jun 11 '14 at 14:02
...
Sending POST data in Android
...on: form-data; name=\"param2\"" + lineEnd + lineEnd);
//dos.writeBytes("foo2" + lineEnd);
// Send a binary file
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name=\"param3\";filename=\"test_file.dat\"" + lineEnd);
dos.writeBytes("C...
Disable hover effects on mobile browsers
...rState = function() {
var hoverClass = 'hover',
$target = $(".foo"),
preventMouseover = false;
function forTouchstart() {
preventMouseover = true;
}
function forMouseover() {
if (preventMouseover === false) {
$(this).addClass(hoverClass...
How can I change my Cygwin home folder after installation?
...e set during shell startup.²
See this FAQ item for more on the topic.
Footnotes:
Consider moving /etc/passwd and /etc/group out of the way in order to use the new SAM/AD-based mechanism instead.
While it is possible to simply set %HOME% via the Control Panel, it is officially discouraged. Not...
Confused about stdin, stdout and stderr?
...:
cat /etc/passwd > /tmp/out # redirect cat's standard out to /tmp/foo
cat /nonexistant 2> /tmp/err # redirect cat's standard error to /tmp/error
cat < /etc/passwd # redirect cat's standard input to /etc/passwd
Or, the whole enchilada:
cat < /etc/passwd > /tmp/o...
Guaranteed lifetime of temporary in C++?
...se when I declare an instance of this class with a temporary object:
void foo(){
MyType instance("hello");
}
what happens is that we avoid copying and destroying the temporary object and "hello" is placed directly inside the owning class instance's member variable. If the object is heavier w...
Why is the Java main method static?
... qualified main method name, instead of just the class (java com.mycompany.Foo.someSpecialMain) - but that just makes it harder on IDEs to auto-detect the 'launchable' classes in a project.
share
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What does middleware and app.use actually mean in Expressjs?
...c/middleware.js");
var stack = middleware(function(data, next) {
data.foo = data.data*2;
next();
}, function(data, next) {
setTimeout(function() {
data.async = true;
next();
}, 100)
}, function(data) {
console.log(data);
});
stack.handle({
"data": 42
})
In...
Why are static variables considered evil?
...rces, for example. private static final Logger LOG = Logger.getLogger(Foo.class); private static final AtomicInteger x = new AtomicInteger(0); As I understand it, static assignments of resources like this are guaranteed thread-safe by the class loader. The Logger instance is or is not thr...