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How does lock work exactly?

...// body } finally { Monitor.Exit(temp); } In C# 4.0 this has changed and it is now generated as follows: bool lockWasTaken = false; var temp = obj; try { Monitor.Enter(temp, ref lockWasTaken); // body } finally { if (lockWasTaken) { Monitor.Exit(temp); } } You c...
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How to access a dictionary element in a Django template?

...objects.filter(choice=self).count() votes = property(calculateVotes) And then in your template, you can do: {% for choice in choices %} {{choice.choice}} - {{choice.votes}} <br /> {% endfor %} The template tag, is IMHO a bit overkill for this solution, but it's not a terrible soluti...
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How to iterate through two lists in parallel?

I have two iterables in Python, and I want to go over them in pairs: 8 Answers 8 ...
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[ :Unexpected operator in shell programming [duplicate]

...et of sh syntax - the /bin/sh executable on your system may provide only standard sh functionality, in which []-style tests are not included. – Tim Aug 5 '10 at 1:17 13 ...
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Android studio Gradle icon error, Manifest Merger

I keep seeing this message and not sure how to solve it for good. 16 Answers 16 ...
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How do I prevent Android taking a screenshot when my app goes to the background?

...R.layout.main); } } This definitely secures against manual screenshots and automatic screenshots from the ICS recent-tasks history. It also secures against screen recording (e.g., apps using the media projection APIs). UPDATE: it also secures against Now On Tap or other assistants on Android 6....
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How to pass a class type as a function parameter

I have a generic function that calls a web service and serialize the JSON response back to an object. 6 Answers ...
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How to permanently set $PATH on Linux/Unix? [closed]

... session. In case of the shell script you must use a specific shell syntax and export or set commands. System wide /etc/environment List of unique assignments, allows references. Perfect for adding system-wide directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. Used ...
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Loop through files in a directory using PowerShell

...I change the following code to look at all the .log files in the directory and not just the one file? 4 Answers ...
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How do you test a public/private DSA keypair?

... that a given private key matches a given public key? I have a few *.pub and a few *.key files, and I need to check which go with which. ...