大约有 47,000 项符合查询结果(耗时:0.0439秒) [XML]
How to create a self-signed certificate with OpenSSL
...6 -keyout key.pem -out cert.pem -days 365
You can also add -nodes (short for no DES) if you don't want to protect your private key with a passphrase. Otherwise it will prompt you for "at least a 4 character" password.
The days parameter (365) you can replace with any number to affect the expirati...
Detect if device is iOS
...
Detecting iOS
With iOS 13 iPad both User agent and platform strings are changed and differentiating between iPad and MacOS seems possible, so all answers below needs to take that into account now.
This might be the shortest alternative that also covers iOS 13:
function iOS() {
...
The key must be an application-specific resource id
...responding to say a first and last name. where do i define the integer IDs for these?
– Jeffrey Blattman
May 26 '11 at 1:04
7
...
How to change the default collation of a table?
... changing the default character set? Does it update existing data and therefore need to run through the table and make updates, locking it, etc.?
– grant
Nov 3 '15 at 21:12
...
Android View.getDrawingCache returns null, only null
...
On a big enough view, this did not work for me. (Possibly because I have a phone with very limited memory resources). The answer below by cV2 worked fine for me.
– Simon Forsberg
Jul 23 '13 at 23:16
...
switch case statement error: case expressions must be constant expression
...;
In other words, the constants are not final in a library project.
Therefore your code would no longer compile.
The solution for this is simple: Convert the switch statement into an if-else statement.
public void onClick(View src)
{
int id = src.getId();
if (id == R.id.playbtn){
...
Get the Query Executed in Laravel 3/4
...'d recommend barryvdh/laravel-debugbar, which is pretty neat. You can read for instructions on how to install in their repository.
Note for Laravel 5 users: You'll need to call DB::enableQueryLog() before executing the query. Either just above the line that runs the query or inside a middleware.
...
Setting Windows PowerShell environment variables
... different environment settings. How do I change the environment variables for PowerShell (v1)?
16 Answers
...
clear javascript console in Google Chrome
...sused. (console is cleared by some web page, end user can't access error information)
one possible workaround:
in the console type window.clear = clear, then you'll be able to use clear in any script on your page.
share
...
List comprehension vs map
...y be microscopically faster in some cases (when you're NOT making a lambda for the purpose, but using the same function in map and a listcomp). List comprehensions may be faster in other cases and most (not all) pythonistas consider them more direct and clearer.
An example of the tiny speed advanta...
