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What should I do if the current ASP.NET session is null?
...uireRequestState runs before control is handed to your Page. So if you are calling other functionality, including static classes, from your page, you should be fine.
If you have some classes doing initialization logic during startup, for example on the Application_Start event or by using a static co...
How to get element by classname or id
...ailable, angular.element delegates to Angular's built-in subset of jQuery, called "jQuery lite" or "jqLite.""
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Is it possible to dynamically compile and execute C# code fragments?
...agments to a text file (or any input stream), and then execute those dynamically? Assuming what is provided to me would compile fine within any Main() block, is it possible to compile and/or execute this code? I would prefer to compile it for performance reasons.
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How to calculate a time difference in C++
...eful: This won't work if the user changes his time between Timer() and the call to elapsed() if !std::chrono::high_resolution_clock::is_steady - which is the case on Linux!
– jhasse
Feb 9 '18 at 12:33
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File Upload without Form
...rl: your_ajax_path,
dataType : 'json',
// in PHP you can call and process file in the same way as if it was submitted from a form:
// $_FILES['input_file_name']
success: function(jsonData){
...
}
...
});
});
Don't forget to add pro...
Is there a MySQL option/feature to track history of changes to records?
..._from and valid_until dates, you can reconstruct the entire picture historically. To find the current status, you search for records with a null VALID_UNTIL date.
It's unwieldy (strictly speaking, you don't need the valid_from, but it makes the queries a little easier). It complicates your design ...
How to list all users in a Linux group?
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@JohnMcGehee RHEL should have been called AustereLinux
– goelakash
Sep 7 '16 at 8:31
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Can I scroll a ScrollView programmatically in Android?
Is there any way to scroll a ScrollView programmatically to a certain position?
18 Answers
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Can I run HTML files directly from GitHub, instead of just viewing their source?
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There is a new tool called GitHub HTML Preview, which does exactly what you want. Just prepend http://htmlpreview.github.com/? to the URL of any HTML file, e.g. http://htmlpreview.github.com/?https://github.com/twbs/bootstrap/blob/gh-pages/2.3.2...
ActionBar text color
...el < 11, ActionBarSherlock and you'd like to save yourself an expensive call to getIndentifier(), you can look in (TextView) findViewById(com.actionbarsherlock.R.id.abs__action_bar_title); first (be sure to check if it's not null).
– Andre
Apr 22 '13 at 8:36...