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ConcurrentHashMap vs Synchronized HashMap
...re scalability.
ConcurrentHashMap does not throw a ConcurrentModificationException if one thread tries to modify it while another is iterating over it.
This article Java 7: HashMap vs ConcurrentHashMap is a very good read. Highly recommended.
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How do I check if a type provides a parameterless constructor?
...mptyTypes);
It will return null if a parameterless constructor does not exist.
If you also want to find private constructors, use the slightly longer:
var constructor = theType.GetConstructor(
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic,
null, Type.EmptyTypes, nul...
What are the barriers to understanding pointers and what can be done to overcome them? [closed]
...eferences as the actual house. All sorts of operations can thus be easily explained.
I've added some Delphi code down below, and some comments where appropriate. I chose Delphi since my other main programming language, C#, does not exhibit things like memory leaks in the same way.
If you only wish...
IntelliJ not recognizing a particular file correctly, instead its stuck as a text file
...er file (ftl) in my IntelliJ project that is incorrectly recognized as a text file. There are many of the same type that are correct. I am aware of the "Mark as text" option. This may be the original reason this file was marked as text but I am not provided with a "mark as ftl file" option to turn i...
Read binary file as string in Ruby
...s. If only we had some language with synonyms... that still somehow knows exactly what we want in edge cases/ambiguous instances. Then I would just contents = (contents of file "path to file.txt" as string).
– masterxilo
Dec 4 '14 at 20:58
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Removing pip's cache?
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On OSX, I had to delete the pip related directories in $TMPDIR
– Bryan P
Apr 14 '13 at 8:25
2
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How to get the HTML for a DOM element in javascript
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Expanding on jldupont's answer, you could create a wrapping element on the fly:
var target = document.getElementById('myElement');
var wrap = document.createElement('div');
wrap.appendChild(target.cloneNode(true));
alert(wrap...
Change first commit of project with Git? [duplicate]
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On OS X Mountain Lion with system-installed git 1.7.9.6 (Apple Git-31.1) I set <commit after changed> to be the same hash I used in the git reset --hard command. Aside from that one minor change, this works beautifully to up...
How do I update a Python package?
... edited Nov 19 '19 at 12:06
dacx
5199 bronze badges
answered Nov 28 '14 at 7:34
princelySidprincelySid
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How do I get the Git commit count?
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@ctrueden git log --oneline | wc -l isn't off by one (OS X 10.8.5).
– Andy Stewart
Mar 24 '15 at 9:37
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