大约有 32,000 项符合查询结果（耗时：0.0494秒） [XML]
Why must we define both == and != in C#?
...ard reference equality operator inherited from Object. It is no surprise, then, that if only one of the operators is present, it will use the default reference equality operator, that all objects have, there is not an overload for it.1
Knowing that this is the case, the real question is: Why was t...
Two-way encryption: I need to store passwords that can be retrieved
...xt to the encrypted password. The user supplied one would not be stored. Then, you'd do something like this:
$key = $userKey . $serverKey . $userSuppliedKey;
The benefit there, is that any 2 of the keys can be compromised without the data being compromised. If there's a SQL Injection attack, t...
In VIM, how do I break one really long line into multiple lines?
... the gq command would be <ESC> (get out of Insert/Replace/etc mode), then gq80l
– MidnightLightning
Aug 13 '09 at 14:46
6
...
Add a new column to existing table in a migration
...+:
php artisan make:migration add_paid_to_users_table --table=users
You then need to use the Schema::table() method (as you're accessing an existing table, not creating a new one). And you can add a column like this:
public function up()
{
Schema::table('users', function($table) {
$...
Vim: Replacing a line with another one yanked before
... If you overwrite additional lines with ccCTRL+r0ESC instead of V"0p then all following lines can be replaced with just . (the repeater)
– Jordan Morris
Aug 26 '13 at 5:10
...
Node.js setting up environment specific configs to be used with everyauth
...
My solution,
load the app using
NODE_ENV=production node app.js
Then setup config.js as a function rather than an object
module.exports = function(){
switch(process.env.NODE_ENV){
case 'development':
return {dev setting};
case 'production':
re...
Composer: how can I install another dependency without updating old ones?
...
Using the update command, add the new package manually to composer.json, then run:
composer update new/package
If Composer complains, stating "Your requirements could not be resolved to an installable set of packages.", you can resolve this by passing the flag --with-dependencies. This will wh...
How to Configure SSL for Amazon S3 bucket
....Scripting if you have a dedicated SSL certificate (not a SNI certificate) then that machine needs a dedicated IP which incurs costs. presumably a dedicated IP is needed for you for every location around the world where S3 is hosting your data. So that adds up. But I think it is mainly just that pos...
HTTP Error 503. The service is unavailable. App pool stops on accessing website
...ool and clicking "Advanced settings -> Process Model -> Identity". I then had to update the Site itself by going to "Sites -> MySITE -> Advanced Settings -> Physical Path Credentials"
– teynon
Aug 12 '14 at 16:00
...
How to make a .jar out from an Android Studio project
...
Well, then I should tell you that I'm not sure about release. I've got debug and default, but no release folder. What version of the plugin are you using? Do you know if this is documented anywhere?
– Cameron ...