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Detect permission of camera in iOS
...eo;
AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType];
if(authStatus == AVAuthorizationStatusAuthorized) {
// do your logic
} else if(authStatus == AVAuthorizationStatusDenied){
// denied
} else if(authStatus == AVAuthorizationStatusRestricted){
// ...
SQL exclude a column using SELECT * [except columnA] FROM tableA?
...your contract between client and database stable. Same data, every time
Performance, covering indexes
Edit (July 2011):
If you drag from Object Explorer the Columns node for a table, it puts a CSV list of columns in the Query Window for you which achieves one of your goals
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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
... are taking too much time to execute.
In phpMyAdmin you will have a button for stopping threads by using KILL, if you are using command line interface just use the KILL command followed by the thread id, like in the following example:
KILL 115;
This will terminate the connection for the correspon...
Changing CSS Values with Javascript
...ke this:
var cssRuleCode = document.all ? 'rules' : 'cssRules'; //account for IE and FF
var rule = document.styleSheets[styleIndex][cssRuleCode][ruleIndex];
var selector = rule.selectorText; //maybe '#tId'
var value = rule.value; //both selectorText and value are settable.
Let me know...
How to reshape data from long to wide format
...
reshape is an outstanding example for a horrible function API. It is very close to useless.
– NoBackingDown
Oct 26 '17 at 15:18
15
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Rails server says port already used, how to kill that process?
...
Just to clarify for novices: in the second line of code, you are supposed to replace the PID with the actual number that is shown in your console upon entering the first line of code (eg, 12345).
– CodeBiker
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How to use icons and symbols from “Font Awesome” on Native Android Application
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Font Awesome seems to be working fine for me in my android app. I did the following:
Copied fontawesome-webfont.ttf into my assests folder
Found the character entities for icons I wanted, using this page: http://fortawesome.github.io/Font-Awesome/cheatsheet/
C...
Android “Only the original thread that created a view hierarchy can touch its views.”
I've built a simple music player in Android. The view for each song contains a SeekBar, implemented like this:
27 Answers
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How do I add a password to an OpenSSH private key that was generated without a password?
...enerated an OpenSSH private key using puttygen (and exported it in OpenSSH format). How can I put a password on this existing key (I know how to generate a new key with a password)?
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How to convert ActiveRecord results into an array of hashes
...ash and you can convert any ActiveRecord results to an Array with to_a, so for your example :
tasks_records = TaskStoreStatus.all
tasks_records.to_a.map(&:serializable_hash)
And if you want an ugly solution for Rails prior to v2.3
JSON.parse(tasks_records.to_json) # please don't do it
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