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What does “%.*s” mean in printf?
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See: http://www.cplusplus.com/reference/clibrary/cstdio/printf/
.* The precision is not specified in the format string, but as an additional integer value argument preceding the argument that has to be formatted.
s String of characte...
Get generated id after insert
...rt_rowid function to return an id.
According to the documentation: https://www.sqlite.org/c3ref/last_insert_rowid.html
The row id is the hidden column or a column of type INTEGER PRIMARY KEY if it's declared.
Each entry in most SQLite tables (except for WITHOUT ROWID tables) has a unique 64-bit ...
Fully backup a git repo?
... atomic so doesn't have the problems that a simple copy would.
See http://www.garron.me/en/bits/backup-git-bare-repo.html
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Redirect parent window from an iframe action
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window.top.location.href = "http://www.example.com";
Will redirect the parent iframe.
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Is there a Mutex in Java?
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See this page: http://www.oracle.com/technetwork/articles/javase/index-140767.html
It has a slightly different pattern which is (I think) what you are looking for:
try {
mutex.acquire();
try {
// do something
} finally {
mutex.rele...
Express.js req.body undefined
...n/json parser
var jsonParser = bodyParser.json()
// create application/x-www-form-urlencoded parser
var urlencodedParser = bodyParser.urlencoded({ extended: false })
// POST /login gets urlencoded bodies
app.post('/login', urlencodedParser, function (req, res) {
res.send('welcome, ' + req.body...
Dynamically add script tag with src that may include document.write
...llback;
document.body.appendChild(s);
}
addScript({
src: 'https://www.google.com',
type: 'text/javascript',
async: null
}, '<div>innerHTML</div>', function(){});
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Why is “copy and paste” of code dangerous? [closed]
...y and paste isn't a bad thing to do. See discussion on clone detection at www.semanticdesigns.com/Products/Clone for further details and for tools than can do this.
– Ira Baxter
Apr 23 '10 at 5:31
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Difference between “include” and “require” in php
... need to install an errors-to-exceptions handler, as described here http://www.php.net/manual/en/class.errorexception.php
function exception_error_handler($errno, $errstr, $errfile, $errline ) {
throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
}
set_error_handler("except...
Overriding !important style
... this today, and it works like a charm! More info on the W3C site: http://www.w3.org/TR/CSS2/cascade.html#specificity
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