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MySQL string replace
...ic control over what gets replaced. Without one every row will be checked and potentially data replaced if a match is found.
– Carlton
Sep 11 '14 at 10:53
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Show percent % instead of counts in charts of categorical variables
I'm plotting a categorical variable and instead of showing the counts for each category value.
8 Answers
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How can I setup & run PhantomJS on Ubuntu?
I set up PhantomJS and recorded it to video: https://www.dailymotion.com/video/xnizmh_1_webcam
25 Answers
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How do I get into a non-password protected Java keystore or change the password?
...tore , but I have a problem. I tried to list existing trusted certificates and it seems that the keystore isn't password protected.
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Changing API level Android Studio
I want to change the minimum SDK version in Android Studio from API 12 to API 14. I have tried changing it in the manifest file, i.e.,
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Remove characters from NSString?
... i like it! I want to remove all special char in a phone number and keep only digits.
– karim
Mar 15 '11 at 16:23
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Defining a function with multiple implicit arguments in Scala
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They must all go in one parameter list, and this list must be the last one.
def myfun(arg:String)(implicit p1: String, p2:Int)={}
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.NET / C# - Convert char[] to string
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Note that new string(null) yields String.Empty and not null! If you want to keep null, you can make an extension method static string ToStringSafe(this char[] buf) { return buf == null ? null : new string(buf); }.
– Skod
Aug 10 '15 ...
Automatically enter SSH password with script
... passed.
Using -f prevents the password from being visible if the ps command is executed.
The file that the password is stored in should have secure permissions.
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How do I modify fields inside the new PostgreSQL JSON datatype?
...bject('<key>', '<value>')
Where <key> should be string, and <value> can be whatever type to_jsonb() accepts.
For setting a value deep in a JSON hierarchy, the jsonb_set() function can be used:
SELECT jsonb_set('{"a":[null,{"b":[]}]}', '{a,1,b,0}', jsonb '{"c":3}')
-- will yi...