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Getting the first character of a string with $str[0]
...ant to get the first letter of a string and I've noticed that $str[0] works great. I am just not sure whether this is 'good practice', as that notation is generally used with arrays. This feature doesn't seem to be very well documented so I'm turning to you guys to tell me if it's all right – in...
How can I determine if a .NET assembly was built for x86 or x64?
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Look at System.Reflection.AssemblyName.GetAssemblyName(string assemblyFile)
You can examine assembly metadata from the returned AssemblyName instance:
Using PowerShell:
[36] C:\> [reflection.assemblyname]::GetAssemblyName...
Connect to a heroku database with pgadmin
I would like to manage my heroku database with pgadmin client. By now, I've been doing this with psql .
When I use data from heroku pg:credentials to connect de DB using pgadmin , I obtain:
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What exactly does an #if 0 … #endif block do?
...ets evaluated before the actual compilation step. The code inside that block doesn't appear in the compiled binary.
It's often used for temporarily removing segments of code with the intention of turning them back on later.
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Boolean Field in Oracle
...ver, there isn't actually a boolean data type in Oracle. Does anyone here know the best way to simulate a boolean? Googling the subject discovered several approaches
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What is so special about Generic.xaml?
...rovides, among other things, the Control's default ControlTemplate. WPF looks for the default style in a special resource dictionary in the Themes folder in the same assembly as the control. The key for the default style is provided by the Control.DefaultStyleKey dependency property, the default val...
Convert a 1D array to a 2D array in numpy
... specifying the number of columns in the 2D array. Something that would work like this:
8 Answers
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How can I reverse the order of lines in a file?
I'd like to reverse the order of lines in a text file (or stdin), preserving the contents of each line.
25 Answers
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Using git commit -a with vim
...he file and exit vim. This is also easier for some people as it's the same key pressed twice.
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How to get object length [duplicate]
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For browsers supporting Object.keys() you can simply do:
Object.keys(a).length;
Otherwise (notably in IE < 9), you can loop through the object yourself with a for (x in y) loop:
var count = 0;
var i;
for (i in a) {
if (a.hasOwnProperty(i)) {
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