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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...
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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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. ...
How to get a vertical geom_vline to an x-axis of class date?
Even though I found Hadley's post in the google group on POSIXct and geom_vline , I could not get it done. I have a time series from and would like to draw a vertical line for years 1998, 2005 and 2010 for example. I tried with ggplot and qplot syntax, but still I either see no vertical line ...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
... when the user scrolled after he saw the prompt
In addition, you can bind Google Analytics events to track user's scrolling behavior.
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Is it possible to make relative link to image in a markdown file in a gist?
...s page https://gist.github.com/cben/) omit the trailing slash :-(
Gists in Google search results omit the trailing slash :-(
(You could use relative path 46d9536baacb7c5d196c/raw/dodgetocat_v2.png that would only work without trailing slash, but that's also questionable idea, and less worth it —...
Create a File object in memory from a string in Java
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Cannot request write permission (it's Google AppEngine)
– Jon Romero
Aug 16 '11 at 19:25
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How to center icon and text in a android button with width set to “fill parent”
...n use the MaterialButton now which lets setting the icon gravity.
<com.google.android.material.button.MaterialButton
android:id="@+id/btnDownloadPdf"
android:layout_width="0dp"
android:layout_height="56dp"
android:layout_margin="16dp"
android:gravity="cent...
Node.js app can't run on port 80 even though there's no other process blocking the port
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Yep this was probably the easiest way to do it. I'm on Google Cloud Compute which gave me issues when touching Port 80. This was great. Thanks.
– Andy
May 4 '17 at 17:14
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