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Assign variable value inside if-statement [duplicate]
...nside if.
I wouldn't recommend it. The problem is, it looks like a common error where you try to compare values, but use a single = instead of == or ===.
It will be better if you do something like this:
int v;
if((v = someMethod()) != 0)
return true;
...
ComponentTools 拓展：设置组件的边距等 · App Inventor 2 中文网
...动动画是否处于暂停状态。
事件
Error出错时(错误信息)
发生错误时触发。
Touched被触摸时(组件,信息,x,y,动作,触点数,事件时间)
注册过的组件被触摸时触发。
MoveStarted移动开始时(标识)
移动动画开始...
Overwriting my local branch with remote branch [duplicate]
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@greggles: Any errors? After the last command, HEAD must point at origin/branch.
– knittl
Oct 18 '12 at 18:10
1
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How do I properly clean up Excel interop objects?
...tInfo, uint cbJobObjectInfoLength);
[DllImport("kernel32.dll", SetLastError = true)]
static extern bool AssignProcessToJobObject(IntPtr job, IntPtr process);
private IntPtr m_handle;
private bool m_disposed = false;
public Job()
{
m_handle = CreateJobObject(null, n...
How to show the loading indicator in the top status bar
...eProcessQueue completionHandler:^(NSURLResponse *response, NSData *data, NSError *error)
{
[[RMActivityIndicator sharedManager]decreaseActivity];
}
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Lists: Count vs Count() [duplicate]
...rable<TSource> source)
{
if (source == null)
{
throw Error.ArgumentNull("source");
}
ICollection<TSource> is2 = source as ICollection<TSource>;
if (is2 != null)
{
return is2.Count;
}
int num = 0;
using (IEnumerator<TSource> ...
Rails: select unique values from a column
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This throws an error with Rails 5.1 / AR 5.1 => undefined method `uniq'
– Graham Slick
Aug 11 '17 at 12:06
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send mail from linux terminal in one line [closed]
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In case you are using gmail and still you are getting some authentication error then you need to change setting of gmail:
Turn on Access for less secure apps from here
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How to reverse a 'rails generate'
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rails destroy controller Controller_name was returning a bunch of errors. To be able to destroy controller I had to remove related routes in routes.rb. P.S. I'm using rails 3.1
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impr...
Disable cross domain web security in Firefox
...h: {
// Enable this if you encounter unexpected SSL certificate errors in Firefox
acceptInsecureCerts: true,
'moz:firefoxOptions': {
args: [
// '-headless',
// '-verbose'
],
}
}
}
...