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Check for null in foreach loop
..., consider changing the getter of Headers instead. null is the value of unknown so if possible instead of using null as "I know there are no elements" when null actually(/originally) should be interpreted as "I don't know if there are any elements" use an empty set to show that you know there are no...
How to generate serial version UID in Intellij
...'OK'.
(For Macs, Settings is under IntelliJ IDEA -> Preferences...)
Now, if your class implements Serializable, you will see highlight and alt+Enter on class name will propose to generate private static final long serialVersionUID.
UPD: a faster way to find this setting - you might use hotke...
How can I detect if a file is binary (non-text) in python?
...ause the mimetypes module is not good for all files. I'm looking at a file now which system file reports as "UTF-8 Unicode text, with very long lines" but mimetypes.gest_type() will return (None, None). Also, Apache's mimetype list is a whitelist/subset. It is by no means a complete list of mimetyp...
Java compiler level does not match the version of the installed Java project facet
...o "Project Facets" you will notice Java shows up as version 1.7 so you can now select it to make sure the project is "marked" as a Java project. I also needed to right click on the project and select Maven|Update Project.
sh...
How to assert output with nosetest/unittest in python?
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Note: Under python 3.x the StringIO class must now be imported from the io module. from io import StringIO works in python 2.6+.
– Bryan P
May 8 '13 at 22:26
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Most Pythonic way to provide global configuration variables in config.py? [closed]
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I know this is a few years old, but I'm a beginner and I think this config file is essentially what I am looking for (maybe too advanced), and I would like to understand it better. Do I just pass initialize ConfigHolder with a d...
Python threading.timer - repeat function every 'n' seconds
....5 seconds and be able to start and stop and reset the timer. I'm not too knowledgeable of how Python threads work and am having difficulties with the python timer.
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How to listen for a WebView finishing loading a URL?
...unless you disconnect the network or connect in another good one. I don't know how to solve this yet, I'm trying.
– Felipe
Jul 18 '11 at 0:10
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Is it safe to resolve a promise multiple times?
...erally inadvisable to rely on undocumented behavior even if it works right now.
– 3ocene
Sep 5 '18 at 18:26
ecma-inter...
How to get a path to a resource in a Java JAR file
...nse solved a problem I had been trying to work through for at least 2 days now. TYVM!!
– Jonathan
Nov 9 '19 at 19:30
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