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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
... done with the work at hand. In the case of ASP.NET, a unit of work is typically the HTTP request being handled.
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How to check if a process id (PID) exists
... process is not owned by the running user, you may not have permissions to call kill -0. Better to use ps -p $PID > /dev/null 2>&1, which allows you to see process status, even if you do not have permissions to send a signal.
– mckoss
Apr 1 '12 at 16...
Programmatically Determine a Duration of a Locked Workstation?
... do it. According to this Microsoft article, "There is no function you can call to determine whether the workstation is locked." It must be monitored using the SessionSwitchEventHandler.
– JonathanDavidArndt
Mar 12 at 2:26
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How to update SQLAlchemy row entry?
...se, I suggest you post a new question showing what you are stuck on specifically.
– MarredCheese
May 20 at 17:00
Thank...
How to remove “disabled” attribute using jQuery?
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Why use prop() when you could use attr()/removeAttr() to do this?
Basically, prop() should be used when getting or setting properties (such as autoplay, checked, disabled and required amongst others).
By using removeAttr(), you are completely removing the disabled attribute itself - while pro...
How do I measure the execution time of JavaScript code with callbacks?
...method that is designed for this. Check out process.hrtime(); .
So, I basically put this at the top of my app.
var start = process.hrtime();
var elapsed_time = function(note){
var precision = 3; // 3 decimal places
var elapsed = process.hrtime(start)[1] / 1000000; // divide by a million t...
How can I dynamically create a selector at runtime with Objective-C?
...@selector(MyMethodName:) but what I want to do is create a selector dynamically from an NSString . Is this even possible?
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How to trigger the window resize event in JavaScript?
...trigger on window resize. I want to know how I can trigger the event to be called. For example, when hide a div, I want my trigger function to be called.
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How do I implement basic “Long Polling”?
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It's simpler than I initially thought.. Basically you have a page that does nothing, until the data you want to send is available (say, a new message arrives).
Here is a really basic example, which sends a simple string after 2-10 seconds. 1 in 3 chance of returning a...
Securely storing environment variables in GAE with app.yaml
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@obl - An App Engine app is automatically authenticated to its own datastore, no authentication details needed. It's pretty neat :-)
– Martin Omander
Jul 9 '19 at 14:31
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