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What is the difference between a static and a non-static initialization code block
...own, just like simple variable initializers) when the class is loaded (actually, when it's resolved, but that's a technicality).
Instance initializers are executed in the order defined when the class is instantiated, immediately before the constructor code is executed, immediately after the invocat...
Encode html entities in javascript
I am working in a CMS which allows users to enter content. The problem is that when they add symbols ® , it may not display well in all browsers. I would like to set up a list of symbols that must be searched for, and then converted to the corresponding html entity. For example
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What is an EJB, and what does it do?
...are, what does it mean their instances are managed in a pool, blah blah. Really can't get a good grip of them.
4 Answers
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Recursively list all files in a directory including files in symlink directories
... directories
/dir/dir11 , /dir/dir12 , and /dir/dir13 . I want to list all the files in dir including the ones in dir11 , dir12 and dir13 .
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How do I remove all HTML tags from a string without knowing which tags are in it?
Is there any easy way to remove all HTML tags or ANYTHING HTML related from a string?
3 Answers
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Storing DateTime (UTC) vs. storing DateTimeOffset
I usually have an "interceptor" that right before reading/writing from/to the database does DateTime conversion (from UTC to local time, and from local time to UTC), so I can use DateTime.Now (derivations and comparisions) throughout the system without worrying about time zones.
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Android buildscript repositories: jcenter VS mavencentral
... in the world for Java and Android OSS libraries, packages and components.
All the content in JCenter is served over a CDN, with a secure HTTPS connection. Back in the time of the migration (Android Studio 0.8) The central maven 2 repository was HTTP only and HTTPS wasn't supported. Reference: 51.6....
How to drop rows of Pandas DataFrame whose value in a certain column is NaN
...ta, including dropna(), is built into pandas explicitly. Aside from potentially improved performance over doing it manually, these functions also come with a variety of options which may be useful.
In [24]: df = pd.DataFrame(np.random.randn(10,3))
In [25]: df.iloc[::2,0] = np.nan; df.iloc[::4,1] ...
Nodejs Event Loop
Are there internally two event loops in nodejs architecture?
7 Answers
7
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inject bean reference into a Quartz job in Spring?
... I do not use Spring's Quartz jobs, because I need to schedule them dynamically, at run time, and all examples of integrating Spring with Quartz that i found were hard-coding the shcedules in the Spring config files... Anyway, here is how I schedule the job:
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