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Why does Enumerable.All return true for an empty sequence? [duplicate]
... a new extension is:
strs.DefaultIfEmpty().All(str => str == "ABC");
PS: The above does not work if looking for the default value itself!
(Which for strings would be null.)
In such cases it becomes less elegant with something similar to:
strs.DefaultIfEmpty(string.Empty).All(str => str == ...
Python debugging tips [closed]
What are your best tips for debugging Python?
18 Answers
18
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MySQL IF NOT NULL, then display 1, else display 0
...k for NULL or empty string:
select if(name is null or name = '', 0, 1)
PS Eugen's example up above is correct, but I wanted to clarify this nuance as it caught me by surprise.
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Random String Generator Returning Same String [duplicate]
...m: 32
Guid.NewGuid().ToString("N").Substring(0, yourRandomStringLength);
PS: Please keep in mind that yourRandomStringLength cannot exceed 32 as Guid has max length of 32.
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What is the difference between jQuery: text() and html() ?
...tml">Link</a><b>hello</b>');
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<div id="div1"></div>
<div id="div2"></div>
Live demo on http://jsfiddle.net/hossain/sUTVg/
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How can I convert my Java program to an .exe file? [closed]
...mand-line version.
– Oracle's documentation
The javapackager utility ships with the JDK. It can generate .exe files with the -native exe flag, among many other things.
WinRun4J
WinRun4j is a java launcher for windows. It is an alternative to javaw.exe and provides the following benefits:
Uses a...
How can I see normal print output created during pytest run?
...s fail. See stackoverflow.com/a/59156707/369977
– pR0Ps
Apr 7 at 12:43
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How to add a “open git-bash here…” context menu to the windows explorer?
...
You should now be able to see the option in right click menu in explorer
PS Git Bash by default picks up the current directory.
EDIT : If you want a one click approach, check Ozesh's solution below
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Download large file in python with requests
...n far bigger, and is expected to be different in every iteration.
See https://requests.readthedocs.io/en/latest/user/advanced/#body-content-workflow and https://requests.readthedocs.io/en/latest/api/#requests.Response.iter_content for further reference.
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PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
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ps: the @Id annotation is the one that hibernate uses to identify the access type.
– Diego Plentz
Mar 10 '15 at 18:59
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