大约有 46,000 项符合查询结果（耗时：0.0474秒） [XML]
Delete an element from a dictionary
Is there a way to delete an item from a dictionary in Python?
15 Answers
15
...
Prevent direct access to a php include file
... an include. Therefore I would like to throw an error instead of executing it when it's accessed directly by typing in the URL instead of being included.
...
How to parse unix timestamp to time.Time
...se strconv.ParseInt to parse the string to int64 and create the timestamp with time.Unix:
package main
import (
"fmt"
"time"
"strconv"
)
func main() {
i, err := strconv.ParseInt("1405544146", 10, 64)
if err != nil {
panic(err)
}
tm := time.Unix(i, 0)
fmt.Pr...
Visual Studio window which shows list of methods
...
There's a drop down just above the code window:
It's called Navigation bar and contains three drop downs: first drop down contains project, second type and third members (methods).
You can use the shortcut Ctrl + F2 (move focus to the project drop down) and press Tab twic...
Why {} + {} is NaN only on the client side? Why not in Node.js?
...^[\r\n\s]*function/.test(evalCmd) || e) {
// Now as statement without parens.
self.eval(evalCmd, self.context, 'repl', finish);
}
else {
finish(null, ret);
}
}
);
This acts just like running ({}+{}) in the Chrome developer tools, whic...
What is the difference between “ is None ” and “ ==None ”
...ned here.
To quote:
A class is free to implement
comparison any way it chooses, and it
can choose to make comparison against
None mean something (which actually
makes sense; if someone told you to
implement the None object from
scratch, how else would you get it to
compare True ag...
How to print a groupby object
I want to print the result of grouping with Pandas.
14 Answers
14
...
Where is shared_ptr?
...ory> is not helping at all! I have downloaded boosts and all but still it doesn't show up! Can someone help me by telling exactly where to find it?
...
Dictionary returning a default value if the key does not exist [duplicate]
I find myself using the current pattern quite often in my code nowadays
4 Answers
4
...
How to catch curl errors in PHP
...r() function to detect if there was some error. For example:
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $your_url);
curl_setopt($ch, CURLOPT_FAILONERROR, true); // Required for HTTP error codes to be reported via our call to curl_error($ch)
//...
curl_exec($ch);
if (curl_errno($ch)) {
$er...