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Why .NET String is immutable? [duplicate]
...and has huge security advantages, since it's impossible for an third party API call to change your strings.
StringBuilder was added in order to address the one major disadvantage of immutable strings - runtime construction of immutable types causes a lot of GC pressure and is inherently slow. By m...
How to inject dependencies into a self-instantiated object in Spring?
... the autowiring happens: static.springsource.org/spring/docs/3.0.x/javadoc-api/org/…
– Sean Patrick Floyd
Sep 28 '10 at 14:29
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Using async-await on .net 4
...ut I have not tried that. The 4.5 profile is a strict super-set of the 4.0 API. Perhaps give it a shot and report back.
EDIT: It looks like perhaps you can use the Visual Studio Async CTP in production now
Here is what it says on the download page:
Includes a new EULA for production use. Note ...
How to share my Docker-Image without using the Docker-Hub?
...ty such as search stackoverflow.com/questions/30113726/docker-registry-2-0-api-v2
– JoshRivers
Jun 16 '15 at 19:06
1
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Efficiently updating database using SQLAlchemy ORM
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@Ken, no, it won't. See the API doc for Query.update docs.sqlalchemy.org/en/13/orm/…. Instead you have an event for after_bulk_update docs.sqlalchemy.org/en/13/orm/…
– TrilceAC
May 26 at 11:11
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How to convert an xml string to a dictionary?
...s : 1) much faster than github.com/martinblech/xmltodict (based on XML SAX api) 2) better than github.com/mcspring/XML2Dict which has some little issues when several children have same names 3) better than code.activestate.com/recipes/410469-xml-as-dictionary which had small issues as wel...
Catch an exception thrown by an async void method
...ion method traces the thrown exception automatically because I did use the ApiChange.Api.dll from the ApiChange tool.
Tracing and Reflector helps a lot to understand what is going on. To get rid of threading you can create your own versions of GetAwaiter BeginAwait and EndAwait and wrap not a task b...
How to read XML using XPath in Java
... in the first place here - I understood your question to be how to use the API in Java).
Edit: (Response to comment): This XPath expression will get you the text of the first URL element under PowerBuilder:
/howto/topic[@name='PowerBuilder']/url/text()
This will get you the second:
/howto/topic...
Can I arrange repositories into folders on Github?
...hub_repo_tags
The small python program in this repository uses the GitHub API to get a list of your repos. and add their name, description, and URL, to a new repo., by default called repo_tags. Initially each “issue” is tagged unclassified, but you can tag them as you please, using regular issu...
Purpose of #!/usr/bin/python3
...because the terminal doesn't care about your fancy OS specific file typing APIs.
Regarding the other points. It's a convenience, it's similarly possible to run
python3 path/to/your/script
If your python isn't in the path specified, then it won't work, but we tend to install things to make stuff ...