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Is there a way to specify an “empty” C# lambda expression?
...s there exist a predefined empty lambda? I think that it is a bad idea performance wise to create an empty lambda every time I need it. E.g. in JQuery there is the noop and I would expect something similar to be present in C#.
– qqqqqqq
Mar 12 at 21:28
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How to delete/create databases in Neo4j?
...te/delete different databases in the graph database Neo4j like in MySQL? Or, at least, how to delete all nodes and relationships of an existing graph to get a clean setup for tests, e.g., using shell commands similar to rmrel or rm ?
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Unix command to find lines common in two files
...re I once found a unix command which could print the common lines from two or more files, does anyone know its name? It was much simpler than diff .
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What are the differences between various threading synchronization options in C#?
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Great question. I maybe wrong.. Let me try.. Revision#2 of my orig answer.. with a little bit of more understanding. Thanks for making me read :)
lock(obj)
is a CLR construct that for (intra-object?) thread synchronization. Ensures that only one thread can take ownership of the obje...
What is the purpose of Android's tag in XML layouts?
...t;merge /> tag, but I still don't understand how it's useful. Is it a sort-of replacement of the <Frame /> tag, or is it used like so:
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How to give Jenkins more heap space when it´s started as a service under Windows?
I want to increase the available heap space for Jenkins. But as it is installed as a service I don´t know how to do it.
6 ...
How to pass multiple parameters in a querystring
I have three values which I have to pass as parameters for e.g., strID , strName and strDate .
6 Answers
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Can I update a component's props in React.js?
After starting to work with React.js, it seems like props are intended to be static (passed in from the parent component), while state changes based upon events. However, I noticed in the docs a reference to componentWillReceiveProps , which specifically includes this example:
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keytool error :java.io.IoException:Incorrect AVA format
...hen I have been trying to sign the application I have got the following error. Can anyone help me on this issue?
8 Answers
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How to percent-encode URL parameters in Python?
...racters '_.-' are never
quoted. By default, this function is
intended for quoting the path section
of the URL.The optional safe parameter
specifies additional characters that
should not be quoted — its default
value is '/'
That means passing '' for safe will solve your first issue:
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