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Using ZXing to create an Android barcode scanning app [duplicate]
... by step to setup zxing 3.2.1 in eclipse
Download zxing-master.zip from "https://github.com/zxing/zxing"
Unzip zxing-master.zip, Use eclipse to import "android" project in zxing-master
Download core-3.2.1.jar from "http://repo1.maven.org/maven2/com/google/zxing/core/3.2.1/"
Create "libs" folder in...
Difference between \w and \b regular expression meta characters
...idth) position before a, after c, before d, and after f in "abc def"
See: http://www.regular-expressions.info/reference.html/
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How to reference style attributes from a drawable?
...
Starting with lollipop (API 21) this feature is supported, see
https://code.google.com/p/android/issues/detail?id=26251
However, if you're targeting devices without lollipop, don't use it, as it will crash, use the workaround in the accepted answer instead.
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MySQL Insert into multiple tables? (Database normalization?)
...ofiles (userid, bio, homepage)
VALUES(LAST_INSERT_ID(),'Hello world!', 'http://www.stackoverflow.com');
COMMIT;
Have a look at LAST_INSERT_ID() to reuse autoincrement values.
Edit: you said "After all this time trying to figure it out, it still doesn't work. Can't I simply put the just generat...
Prevent redirection of Xmlhttprequest
...t possible to prevent the browser from following redirects when sending XMLHttpRequest-s (i.e. to get the redirect status code back and handle it myself)?
...
“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application ru
...ing a "jsonp" type specifier to your $.get, so it was using an ordinary XMLHttpRequest. However, your browser supported CORS (Cross-Origin Resource Sharing) to allow cross-domain XMLHttpRequest if the server OKed it. That's where the Access-Control-Allow-Origin header came in.
I believe you mentione...
GitHub Windows client behind proxy
...found the only way to get cloning and push updates to work is by using the HTTPS_PROXY environment variable, including my full corporate domain user ID and password.
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HTTP POST Returns Error: 417 “Expectation Failed.”
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System.Net.HttpWebRequest adds the header 'HTTP header "Expect: 100-Continue"' to every request unless you explicitly ask it not to by setting this static property to false:
System.Net.ServicePointManager.Expect100Continue = false;
S...
Calculate last day of month in JavaScript
...s, as passing numbers as strings would result in weird results.
JSFiddle: http://jsfiddle.net/TrueBlueAussie/H89X3/22/
JSPerf results: http://jsperf.com/days-in-month-head-to-head/5
For some reason, (m+(m>>3)&1) is more efficient than (5546>>m&1) on almost all browsers.
The o...
Android: how to draw a border to a LinearLayout
...define res/drawable/my_custom_background.xml as:
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<corners
android:radius="2dp"
android:topRightRadius="0dp"
android:bottomRightRadius="0dp"
android:bottomLeftRadius...