大约有 42,000 项符合查询结果（耗时：0.0752秒） [XML]
How to solve the “failed to lazily initialize a collection of role” Hibernate exception
...d Jul 31 '12 at 18:33
darrengormandarrengorman
10.5k22 gold badges2020 silver badges2424 bronze badges
...
What does “while True” mean in Python?
...
while True means loop forever. The while statement takes an expression and executes the loop body while the expression evaluates to (boolean) "true". True always evaluates to boolean "true" and thus executes the loop body indefinitely. It's an idiom that you'll just get used to eventually! Most ...
How to test an SQL Update statement before running it?
...
In addition to using a transaction as Imad has said (which should be mandatory anyway) you can also do a sanity check which rows are affected by running a select using the same WHERE clause as the UPDATE.
So if you UPDATE is
UPDATE foo
SET bar = 42
WHERE col1 = 1
AND col2 = 'foobar';
...
Download file from an ASP.NET Web API method using AngularJS
...ve the browser download the requested file simply by using the code below, and this is supported in all browsers, and will obviously trigger the WebApi request just the same.
$scope.downloadFile = function(downloadPath) {
window.open(downloadPath, '_blank', '');
}
Ajax binary download meth...
Difference between adjustResize and adjustPan in android?
...yboard appears.
When I use adjustResize, it res-size the UI components and at the same time adjustPan gave me same output.
I want to know the difference between them and when to use each component? Which one(adjustPan or adjustResize) is good for resizing UI?
...
How to detect the swipe left or Right in Android?
I have an EditText view in android. On this I want to detect swipe left or right. I am able to get it on an empty space using the code below. But this does not work when I swipe on an EditText . How do I do that? Please let me know If I am doing something wrong. Thank you.
...
How do I associate a Vagrant project directory with an existing VirtualBox VM?
...irtualBox VM, so that when I vagrant up Vagrant will import the base-box and create a new virtual machine.
10 Answers
...
ab load testing
...
The apache benchmark tool is very basic, and while it will give you a solid idea of some performance, it is a bad idea to only depend on it if you plan to have your site exposed to serious stress in production.
Having said that, here's the most common and simplest ...
How to read a line from the console in C?
... line in a C console program
The text entered might have a variable length and we can't make any assumption about its content.
...
How to check if a variable is an integer in JavaScript?
How do I check if a variable is an integer in JavaScript, and throw an alert if it isn't? I tried this, but it doesn't work:
...