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Coding Style Guide for node.js apps? [closed]
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Always declare your variables with var in the appropriate scope - don't fallback to the global scope
Wrap your app in a closure (function(){})() if you plan on releasing code that runs server-side as well as in the browser
Callbacks should take err as the first argument and if they themselves take...
What does this mean: Failure [INSTALL_FAILED_CONTAINER_ERROR]?
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@Jazz This happend to me today. I would really like to know why/what this is about. Delete file manually? Why could not eclipse do this? Is this a phone bug?
– Erik
Jul 6 '11 at 19:59
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Get current folder path
... that program (double-clicking on the .exe) I want the program to process all the files within the current folder where the exe file exists . How can the program determine the path in which it is currently executing?
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How can I clear event subscriptions in C#?
...ist, effectively.
From outside the class, you can't do this - events basically expose "subscribe" and "unsubscribe" and that's it.
It's worth being aware of what field-like events are actually doing - they're creating a variable and an event at the same time. Within the class, you end up referenci...
Force an Android activity to always use landscape mode
...d change
super.onConfigurationChanged(newConfig);
}
The author specifically put a comment to ignore any keyboard or orientation changes.
If you want to change this, you can go back to the AndroidManifest.xml file shown above, and change the line to:
<activity android:screenOrientation="se...
Tools to generate database tables diagram with Postgresql? [closed]
...py -dp postgresql-9.3-1100.jdbc3.jar -s public -noads
You'll need to install graphviz as well if you want graphics (apt-get install graphviz for debian based distros).
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Pipe subprocess standard output to a variable [duplicate]
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@Insomaniacal In this case, I knew usage is generally dumped to stderr. But in general, a simple test is to cmd > /dev/null if you still see output it's going to stderr. Confirm by piping stderr cmd 2> /dev/null and it should vanish into /dev/null.
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Could not find an implementation of the query pattern
...ection using LINQ.
First I add a new LINQ to SQL class, and drag my table called "tblPersoon" into it.
9 Answers
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How to select the rows with maximum values in each group with dplyr? [duplicate]
...icated maximum values present. Otherwise, the filter approach would return all maximum values (rows) per group while the OP's ddply approach with which.max would only return one maximum (the first) per group. To replicate that behavior, another option is to use slice(which.max(value)) in dplyr.
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javascript check for not null
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while technically this works, a double not (!!) is a programming faux-pas. It is really the equivalent of if(val), which is much clearer to read. I would stick to that (fyi Ujwal, !!val should technically work in C or C++ also) see here f...