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Parsing huge logfiles in Node.js - read in line-by-line
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'line-by-line' is more memory efficient than the selected answer. For 1 million lines in a csv the selected answer had my node process in the low 800s of megabytes. Using 'line-by-line' it was consistently in the low 700s. This module also keeps the code clean and easy to r...
How to get device make and model on iOS?
...size_t size;
sysctlbyname("hw.machine", NULL, &size, NULL, 0);
char *model = malloc(size);
sysctlbyname("hw.machine", model, &size, NULL, 0);
NSString *deviceModel = [NSString stringWithCString:model encoding:NSUTF8StringEncoding];
free(model);
return de
Understanding keystore, certificates and alias
...d Application Package option of the Eclipse Android tool, you are asked to select a keystore first, and then asked to select a single alias/entry/pair from that keystore. After providing the passwords for both the keystore and the chosen alias, the app is signed and the public key (the certificate) ...
Function of Project > Clean in Eclipse
...the navigator view right click on your project (or appropriate folder) and select Refresh from the context menu. This will remove any files that have been deleted and add any new ones that are not yet listed in your project.
– SteveS
May 4 '12 at 12:34
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adb not finding my device / phone (MacOS X)
...you can get to it via the Apple Menu in the top left corner of the screen, select "About this Mac", then click the "More Info..." button. Screen grab here:
Expand the "Hardware" tree, select "USB", then look for your target device. In the above example, my device is named "SomeDevice" (I did tha...
Registry Key '…' has value '1.7', but '1.6' is required. Java 1.7 is Installed and the Registry is P
...va Runtime Environment"- On right hand side you will get 4-5 rows . Please select "CurrentVersion" and right Click( select modify option) Change version to "1.7"
Now the magic has been completed
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Create a dictionary on a list with grouping
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into groupedDemoClass
select groupedDemoClass).ToDictionary(gdc => gdc.Key, gdc => gdc.ToList());
This one will work !!!
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Setting the filter to an OpenFileDialog to allow the typical image formats?
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Complete solution in C# is here:
private void btnSelectImage_Click(object sender, RoutedEventArgs e)
{
// Configure open file dialog box
Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
dlg.Filter = "";
ImageCodecInfo[] codecs = I...
What is a pre-revprop-change hook in SVN, and how do I create it?
...n VisualSVN by right-clicking your repository name in VisualSVN Server and selecting "Properties...". You'll see a "Hooks" tab. In there you'll see the different types of hooks available. Select the right one, click "Edit" and paste the above code into it. Hope that helps VisualSVN users!
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Average of 3 long integers
... - 1;
long z = long.MaxValue - 2;
long[] arr = { x, y, z };
var avg = arr.Select(i => i / arr.Length).Sum()
+ arr.Select(i => i % arr.Length).Sum() / arr.Length;
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