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Ways to implement data versioning in MongoDB
...nt data versioning in MongoDB. (I've asked similar question regarding Cassandra . If you have any thoughts which db is better for that please share)
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Best way to convert an ArrayList to a string
...ny fast way to do this? You could loop through it (or remove each element) and concatenate it to a String but I think this will be very slow.
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ASP.NET: This method cannot be called during the application's pre-start initialization stage
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Can you please expand on that a little? Where in the web.config? What do the keys do? I'm having trouble finding online documentation of those keys.
– Kennet Belenky
Jan 19 '11 at 19:54
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How do I suspend painting for a control and its children?
...ke to completely prevent it from redrawing while I do that - SuspendLayout and ResumeLayout aren't enough. How do I suspend painting for a control and its children?
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How to install python modules without root access?
I'm taking some university classes and have been given an 'instructional account', which is a school account I can ssh into to do work. I want to run my computationally intensive Numpy, matplotlib, scipy code on that machine, but I cannot install these modules because I am not a system administrator...
Iterate over object attributes in python
I have a python object with several attributes and methods. I want to iterate over object attributes.
8 Answers
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How do I forward parameters to other command in bash script?
...script can recognize them), then forward the remaining parameters to a command invoked in the script. How can I do that?
3 ...
NullPointerException accessing views in onCreate()
...d-generated code.
The view is in the fragment layout (fragment_main.xml) and not in the activity layout (activity_main.xml). onCreate() is too early in the lifecycle to find it in the activity view hierarchy, and a null is returned. Invoking a method on null causes the NPE.
The preferred solution...
Reverse of JSON.stringify?
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JSON.stringify and JSON.parse are almost oposites, and "usually" this kind of thing will work:
var obj = ...;
var json = JSON.stringify(obj);
var obj2 = JSON.parse(json);
so that obj and obj2 are "the same".
However there are some lim...
How to get sp_executesql result into a variable?
...efinition, @retvalOUT=@retval OUTPUT;
SELECT @retval;
But if you don't, and can not modify the SP:
-- Assuming that your SP return 1 value
create table #temptable (ID int null)
insert into #temptable exec mysp 'Value1', 'Value2'
select * from #temptable
Not pretty, but works.
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