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SQL UPDATE all values in a field with appended string CONCAT not working
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Solved it. Turns out the column had a limited set of characters it would accept, changed it, and now the query works fine.
– Fresheyeball
Nov 9 '10 at 3:19
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git recover deleted file where no commit was made after the delete
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The output tells you what you need to do. git reset HEAD cc.properties etc.
This will unstage the rm operation. After that, running a git status again will tell you that you need to do a git checkout -- cc.properties to get the file back.
Update:
I have this in my...
Where is debug.keystore in Android Studio
I need to enable google+ api, so I need the debug.keystore . I switched to Android Studio and do not know where it is. I can find it in eclipse at path ~/.android/debug.keystore.
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Sort array of objects by object fields
How can I sort this array of objects by one of its fields, like name or count ?
19 Answers
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Convert xlsx to csv in Linux with command line
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The Gnumeric spreadsheet application comes with a command line utility called ssconvert that can convert between a variety of spreadsheet formats:
$ ssconvert Book1.xlsx newfile.csv
Using exporter Gnumeric_stf:stf_csv
$ cat newfile.csv
Foo,Bar,Baz
1,2,3
123.6,7.89,
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What is a user agent stylesheet?
I'm working on a web page in Google Chrome. It displays correctly with the following styles.
13 Answers
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Regular expression to match a word or its prefix
...ing group:
(?:s|season)
Note: Non-capture groups tell the engine that it doesn't need to store the match, while the other one (capturing group does). For small stuff, either works, for 'heavy duty' stuff, you might want to see first if you need the match or not. If you don't, better use the non...
How can I deserialize JSON to a simple Dictionary in ASP.NET?
...lt;string, string>>(json);
More examples: Serializing Collections with Json.NET
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Why does my Spring Boot App always shutdown immediately after starting?
This is my first Spring Boot code. Unfortunately, it always shuts down. I was expecting it to run continuously so that my web client can get some data from the browser.
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Difference between partition key, composite key and clustering key in Cassandra?
...e net to understand the differences between the following key types. But it just seems hard for me to grasp. Examples will definitely help make understanding better.
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