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@RequestParam in Spring MVC handling optional parameters
....util.OptionalDouble, java.util.OptionalInt, java.util.OptionalLong or com.google.common.base.Optional as the type for a field or a parameter. Optional was designed to provide a limited mechanism for library method return types where there needed to be a clear way to represent "no result". Using a f...
What is ASP.NET Identity's IUserSecurityStampStore interface?
... But if the user's password is changed, or a login is removed (unlink your google/fb account), the stamp will change. This is needed for things like automatically signing users/rejecting old cookies when this occurs, which is a feature that's coming in 2.0.
Identity is not open source yet, its cur...
Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
.... But if you really are looking for the actual location you could probably Google for the source code.
– MCB
Nov 25 '13 at 16:09
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WebSocket with SSL
... @muaaz sorry, I don't know the apache configuration apart from googling it myself.
– kanaka
Jan 12 '16 at 22:03
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decompiling DEX into Java sourcecode
...d
dex2jar + jd-gui
javadecompilers.com
enjarify
Apktool
But none beats google's own tools
1)Android Studio 2.x:
build> analyze apk
2)Android Studio 3.0:
Profile or Debug APK
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How to convert a List into a comma separated string without iterating List explicitly [dupli
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TextUtils has so many hidden gems - Google should do a better job at promoting them... They also have other util classes that are awesome and not well known.
– slott
Mar 20 '18 at 16:19
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Android Studio - Auto complete and other features not working
...at Invalidate and Restart
This really works for me. source: https://code.google.com/p/android/issues/detail?id=61844#c4
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In Xcode, how to suppress all warnings in specific source files?
...ang compiler flags to a foreign compiler doesn't work. quelle surprise... google the warning flag for the swift compiler and add that instead.
– jheriko
Sep 14 '17 at 2:58
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How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?
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I know this is an old question, but the Google lead me here recently so I imagine others come here, too.
@chaos is correct: there is the INSERT ... ON DUPLICATE KEY UPDATE syntax.
However, the original question asked about MySQL specifically, and in MySQL there i...
JavaScript for detecting browser language preference [duplicate]
...oesn't involve server side.)
I have coded a workaround: I've knocked up a google app engine script at http://ajaxhttpheaders.appspot.com that will return you the HTTP request headers via JSONP.
(Note: this is a hack only to be used if you do not have a back end available that can do this for you. ...