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Can an angular directive pass arguments to functions in expressions specified in the directive's att

...ve.html' }; }) In directive template use it in following way: <select ng-change="myFunction(selectedAmount)"> And then when you use the directive, pass the function like this: <data-my-directive data-my-function="setSelectedAmount"> </data-my-directive> You pass t...
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PostgreSQL ERROR: canceling statement due to conflict with recovery

...is not modified is to suspend the replication and resume after the query: select pg_xlog_replay_pause(); -- suspend select * from foo; -- your query select pg_xlog_replay_resume(); --resume share | ...
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Apply multiple functions to multiple groupby columns

... group. When aggregating, g will be a Series. Passing g.index to df.ix[] selects the current group from df. I then test if column C is less than 0.5. The returned boolean series is passed to g[] which selects only those rows meeting the criteria. In [95]: cust = lambda g: g[df.loc[g.index]['C']...
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Best explanation for languages without null

...ilable: isShut==false && isLocked==true. Because the types I have selected as my representation admit this state, I must expend mental effort to ensure that the class never gets into this state (perhaps by explicitly coding an invariant). In contrast, if I were using a language with algebr...
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Selectors in Objective-C?

First, I'm not sure I really understand what a selector is. From my understanding, it's the name of a method, and you can assign it to a class of type 'SEL' and then run methods such as respondToSelector to see if the receiver implements that method. Can someone offer up a better explanation? ...
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Amazon S3 direct file upload from client browser - private key disclosure

... using AWS Signature version 4. Will summarize here: As soon as the user selects a file to be uploaded, do the followings: 1. Make a call to the web server to initiate a service to generate required params In this service, make a call to AWS IAM service to get temporary cred Once you have the cr...
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Xcode changes unmodified storyboard and XIB files

...d that Xcode has violated. I'll assume this is Base.lproj/Main.storyboard. Select and copy everything on the storyboard (Command+A then Command+C). Open Storyboard.storyboard. Copy and paste everything into Storyboard.storyboard. Close Xcode. Open a terminal and change directories to your repository...
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Randomize a List

...uffle(); The code above uses the much criticised System.Random method to select swap candidates. It's fast but not as random as it should be. If you need a better quality of randomness in your shuffles use the random number generator in System.Security.Cryptography like so: using System.Security....
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What are the dark corners of Vim your mom never told you about? [closed]

.... viwy or viwc. Yank or change current word. Hit w multiple times to keep selecting each subsequent word, use b to move backwards vi{ - select all text in figure brackets. va{ - select all text including {}s vi(p - highlight everything inside the ()s and replace with the pasted text b and e move...
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Xcode - But… Where are our archives?

... (menu Window > Organizer) Click on the Archives icon in the top middle Select the desired archive by app name and date Click Show in Finder in the context menu share | improve this answer ...