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Handling click events on a drawable within an EditText

...lic boolean onTouch(View v, MotionEvent event) { final int DRAWABLE_LEFT = 0; final int DRAWABLE_TOP = 1; final int DRAWABLE_RIGHT = 2; final int DRAWABLE_BOTTOM = 3; if(event.getAction() == MotionEvent.ACTION_UP) { if(event.getRawX() >= (editC...
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[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...

.... From the app side I have a text box that is sending the string to ESP32, all working except when I try to send strings over 23bytes. Ok, I read some topics here and tried to apply those solutions but no success yet. From my ESP32 firmware I wrote: BLEDevice::init("Monitor3"); BLEDevice::setMTU(128...
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Is the “struct hack” technically undefined behavior?

...rictly conforming with the C Standard, although it does seem to work under all known implementations. (Compilers which check array bounds carefully might issue warnings.) The rationale behind the 'strictly conforming' bit is in the spec, section J.2 Undefined behavior, which includes in the list o...
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How can prepared statements protect from SQL injection attacks?

... the query and the data are sent to the database server separately. That's all. The root of the SQL injection problem is in the mixing of the code and the data. In fact, our SQL query is a legitimate program. And we are creating such a program dynamically, adding some data on the fly. Thus, th...
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How do I instantiate a Queue object in java?

...n't want to do this, but it's listed as an option for the sake of covering all the bases. new Queue<Tree>() { public Tree element() { ... }; public boolean offer(Tree element) { ... }; ... }; ...
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Using reflect, how do you set the value of a struct field?

...rue if the value's address can be obtained with Addr. Such values are called addressable. A value is addressable if it is an element of a slice, an element of an addressable array, a field of an addressable struct, or the result of dereferencing a pointer. If CanAddr returns false, c...
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C/C++ NaN constant (literal)?

... Indeed, it's an option if you need obfuscation but not portability. Personally, I prefer portability without obfuscation, so I won't suggest it myself. – Mike Seymour May 22 '13 at 12:26 ...
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Optimise PostgreSQL for fast testing

...ta-integrity-protection and crash-safety stuff, giving it permission to totally trash your data if you lose power or have an OS crash. Needless to say, you should never enable fsync=off in production unless you're using Pg as a temporary database for data you can re-generate from elsewhere. If and ...
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What resources exist for Database performance-tuning? [closed]

...tabase, this guide may also help. http://download.oracle.com/docs/cd/B28359_01/server.111/b28274/toc.htm share | improve this answer | follow | ...
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How can I add comments in MySQL?

...or table 'accesslog' -- CREATE TABLE accesslog ( aid int(10) NOT NULL auto_increment COMMENT 'unique ID for each access entry', title varchar(255) default NULL COMMENT 'the title of the page being accessed', path varchar(255) default NULL COMMENT 'the local path of teh page being accessed', .... )...