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Java string to date conversion
...e javadoc, listing all available format patterns:
Letter Date or Time Component Presentation Examples
------ ---------------------- ------------------ -------------------------------------
G Era designator Text AD
y Year Year ...
Is there a MySQL option/feature to track history of changes to records?
...ate of the database just by looking at audit tables, it's hard and error prone, and for any complicated database logic, it becomes unwieldy. For instance, if the business wants to know "find the addresses of the letters we should have sent to customers who had outstanding, unpaid invoices on the fir...
Difference between Role and GrantedAuthority in Spring Security
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This is a great answer. One thing to make clear to explain a little differently, the hasRole('xyz') in Spring Security 4 expects you to have the ROLE_ prefix whereas the hasAuthority('xyz') does not expect the prefix and evaluates exactly what is pa...
How to write WinForms code that auto-scales to system font and dpi settings?
...ntrols in the Controls lists when ResumeLayout at the end
of InitializeComponent is called will be auto-scaled... if you
dynamically add controls, then you need to SuspendLayout();
AutoScaleDimensions = new SizeF(6F, 13F); AutoScaleMode = AutoScaleMode.Font;
ResumeLayout(); on that control before yo...
Simplest way to do a fire and forget method in c# 4.0
...arted it. Often fire and forget Tasks finish after the original Thread is done. That will cause a ThreadAbortException to be thrown. In most cases this is harmless - it's just telling you, I tried to rejoin, I failed, but you don't care anyway. But it's still a bit noisy to have ThreadAbortException...
Greenlet Vs. Threads
... greenlets. I found some good documentation on how to work with them, but none gave me justification on how and when I should use greenlets!
...
How does this giant regex work?
I recently found the code below in one of my directories, in a file called doc.php . The file functions or links to a file manager. It's quite nicely done. Basically, it lists all the files in the current directory, and it lets you change directories.
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How to handle Handler messages when activity/fragment is paused
...onization in a PauseHandler class ? It seems that this class works only in one thread, UI thread. I guess that #pause couldn't be called during #handleMessage because both of them works in UI thread.
– Samik
Sep 29 '15 at 9:49
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Difference between Covariance & Contra-variance
...ce and contravariance are properties of a mapping function that associates one member of a set with another. More specifically, a mapping can be covariant or contravariant with respect to a relation on that set.
Consider the following two subsets of the set of all C# types. First:
{ Animal,
Tig...
In what cases could `git pull` be harmful?
...lleague who claims that git pull is harmful, and gets upset whenever someone uses it.
5 Answers
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