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in_array multiple values
... to the targets:
$haystack = array(...);
$target = array('foo', 'bar');
if(count(array_intersect($haystack, $target)) == count($target)){
// all of $target is in $haystack
}
Note that you only need to verify the size of the resulting intersection is the same size as the array of target valu...
What's wrong with this 1988 C code?
...When the preprocessor expands them, your code will look roughly like:
if (c == ' ' || c == '\n' || c == '\t')
state = 0;; /* <--PROBLEM #1 */
else if (state == 0;) { /* <--PROBLEM #2 */
state = 1;;
That second semicolon causes the else to have no previous if as a mat...
Automatic HTTPS connection/redirect with node.js/express
...{
res.redirect('https://' + req.headers.host + req.url);
// Or, if you don't want to automatically detect the domain name from the request header, you can hard code it:
// res.redirect('https://example.com' + req.url);
})
// have it listen on 8080
http.listen(8080);
The https expres...
Concatenating two std::vectors
...
I have a question. Will this work if vector1 and vector2 are the same vectors?
– Alexander Rafferty
Jul 17 '11 at 9:36
6
...
How to debug a referenced dll (having pdb)
...
If you have a project reference, it should work immediately.
If it is a file (dll) reference, you need the debugging symbols (the "pdb" file) to be in the same folder as the dll. Check that your projects are generating debug...
Detecting Browser Autofill
How do you tell if a browser has auto filled a text-box? Especially with username & password boxes that autofill around page load.
...
JSON.NET Error Self referencing loop detected for type
...e fix only applies to JSON.net
The level of references can't be controlled if there is a deep reference chain
If you want to use this fix in a non-api ASP.NET project, you can add the above line to Global.asax.cs, but first add:
var config = GlobalConfiguration.Configuration;
If you want to use th...
How to iterate over a JavaScript object?
...et key in yourobject) {
console.log(key, yourobject[key]);
}
With ES6, if you need both keys and values simultaneously, do
for (let [key, value] of Object.entries(yourobject)) {
console.log(key, value);
}
To avoid logging inherited properties, check with hasOwnProperty :
for (let key in ...
How do I change the data type for a column in MySQL?
.../dev.mysql.com/doc/refman/5.1/en/alter-table.html
ALTER TABLE tablename MODIFY columnname INTEGER;
This will change the datatype of given column
Depending on how many columns you wish to modify it might be best to generate a script, or use some kind of mysql client GUI
...
What is a .h.gch file?
...
A .gch file is a precompiled header.
If a .gch is not found then the normal header files will be used.
However, if your project is set to generate pre-compiled headers it will make them if they don’t exist and use them in the next build.
Sometimes the *.h.g...