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Change File Extension Using C#
...is not matching. so i am trying to convert jpg to Jpeg and delete the file then.
– safi
Mar 10 '11 at 13:26
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How do I use a custom Serializer with Jackson?
...bject's own serializer if it is registered with the object mapper; if not, then it serializes it as a POJO. The writeNumberField exclusively only accepts primitives as arguments.
public class ClassroomSerializer extends StdSerializer<Classroom> {
public ClassroomSerializer(Class<Classr...
How to make Entity Framework Data Context Readonly
...nswer, I believe it would be better to favor composition over inheritance. Then there would be no need for keeping methods such as SaveChanges to throw an exception. Moreover, why do you need to have such methods in the first place? You should design a class in a way that its consumer doesn't get fo...
How to use OpenSSL to encrypt/decrypt files?
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Security Warning: AES-256-CBC does not provide authenticated encryption and is vulnerable to padding oracle attacks. You should use something like age instead.
Encrypt:
openssl aes-256-cbc -a -salt -in secrets.txt -out secrets.txt.enc
Decrypt:
openssl aes-256-cbc -d -...
How to turn on/off ReactJS 'development mode'?
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If you're building from the npm react package directly, then use soemthing like envify to set NODE_ENV = 'production' to do the same checks. @EdwardMSmith Let me know where you would have wanted to see that info and I can add it (or you can just submit a PR)!
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Centering a div block without the width
...lay: inline-block will lead to automatic (rather than full) width. You can then center using text-align: center on the wrapping block. Probably the easiest, and most widely compatible, even with ‘vintage’ browsers...
.wrapTwo
text-align: center;
.two
display: inline-block; // instantly shri...
How to loop through all but the last item of a list?
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for x in y[:-1]
If y is a generator, then the above will not work.
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How can I run PowerShell with the .NET 4 runtime?
...ted (create the config file if need be).
If PowerShellISE.Exe is running then you need to create its companion config file as PowerShellISE.Exe.config
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Learning Ruby on Rails
...xy girlfriend looking at his friend's plain but sane and stable wife. But then rails adds a feature and I go "Ohhh shiny!"
IMO the Rails Screencasts are better than the Peepcode screencasts. RubyPlus also has screencasts, mind you, they are bit rough around the edges. BuildingWebApps has a free ...
What is the difference between location list and quickfix list in vim
...r bar in the right window. You can run :lv foo foo* in the left window and then :lv bar bar* in the right window. Then in the left window :lne will display the next match for foo, not bar. This is because :lv uses the location list of the window you run it in, so each search has its own location lis...