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Round to at most 2 decimal places (only if necessary)

... If the value is a text type: parseFloat("123.456").toFixed(2); If the value is a number: var numb = 123.23454; numb = numb.toFixed(2); There is a downside that values like 1.5 will give "1.50" as the output. A fix suggested by @minitech: var numb = 1.5; numb = +nu...
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Importing from a relative path in Python

...ys.path (the list of paths python looks at to import things): import sys, os sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'Common')) import Common os.path.dirname(__file__) just gives you the directory that your current python file is in, and then we navigate to 'Common/' the dir...
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Jenkins on OS X: xcodebuild gives Code Sign error

...your session won't have unlocked keychain even if it has you as the user (most commonly this affects ssh, but also any other process). share | improve this answer | follow ...
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An error occurred while validating. HRESULT = '8000000A'

... 123 Update for those who got this issue for VS2013 or VS2015 after upgrading a VS200X setup projec...
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iPhone OS: How do I create an NSDate for a specific date?

...Minute, setSecond, etc. for finer granularity. – devios1 Jul 5 '13 at 18:53 add a comment  |  ...
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What should I set JAVA_HOME environment variable on macOS X 10.6?

...f Java. For example, one program I'm maintaining requires 32-bit Java 5 on OS X, so when using that program, I set JAVA_HOME by running: export JAVA_HOME=$(/usr/libexec/java_home -v 1.5) For those of you who don't have java_home in your path add it like this. sudo ln -s /System/Library/Framewor...
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What's the best way to check if a String represents an integer in Java?

...they aren't bad performers. public void RunTests() { String str = "1234567890"; long startTime = System.currentTimeMillis(); for(int i = 0; i < 100000; i++) IsInt_ByException(str); long endTime = System.currentTimeMillis(); System.out.print("ByException: "); ...
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How to get evaluated attributes inside a custom directive

...32; }​ . <div ng-controller="MyCtrl"> <input my-directive="123"> <input my-directive="1+1"> <input my-directive="'1+1'"> <input my-directive="aaa"> </div>​​​​​​​​ One thing you should notice here is that, if you want set the val...
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Using str_replace so that it only acts on the first match?

...n preg_replace($from, $to, $content, 1); } echo str_replace_first('abc', '123', 'abcdef abcdef abcdef'); // outputs '123def abcdef abcdef' The magic is in the optional fourth parameter [Limit]. From the documentation: [Limit] - The maximum possible replacements for each pattern in each s...
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How to set timer in android?

...r; import java.util.TimerTask; import android.app.Activity; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.os.Handler.Callback; import android.view.View; import android.widget.Button; import android.widget.TextView; public class main extends Activity ...