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List columns with indexes in PostgreSQL
...NDEX FROM mytablename WHERE Column_name='mycolumnname' ; and verify result set not empty.
– zerobandwidth
Feb 2 '18 at 16:43
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node.js hash string?
...tring or binary");
I experienced issue with other answer. I advice you to set encoding argument to binary to use the byte string and prevent different hash between Javascript (NodeJS) and other langage/service like Python, PHP, Github...
If you don't use this code, you can get a different hash betw...
Limitations of Intel Assembly Syntax Compared to AT&T [closed]
...syntax also.
It looks like you can make GDB use Intel syntax with this:
set disassembly-flavor intel
GCC can do Intel syntax with -masm=intel.
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C# Set collection?
Does anyone know if there is a good equivalent to Java's Set collection in C#? I know that you can somewhat mimic a set using a Dictionary or a HashTable by populating but ignoring the values, but that's not a very elegant way.
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Explanation of JSHint's Bad line breaking before '+' error
... is one way to work around this issue without having to change your jshint settings.
– asulaiman
Sep 10 '15 at 18:59
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How to convert an ArrayList containing Integers to primitive int array?
...[] arr = list.stream().mapToInt(i -> i).toArray(); //[1, 2, 3, 4]
list.set(1, null); //[1, null, 3, 4]
arr = list.stream().filter(i -> i != null).mapToInt(i -> i).toArray(); //[1, 3, 4]
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iPhone Keyboard Covers UITextField
I have an app where, in Interface Builder , I set up a UIView that has a text field near the bottom of the view. When I run the app and try to enter text into that field, the keyboard slides up overtop of the field so I can't see what I'm typing until I hide the keyboard again.
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What is the colon operator in Ruby?
When I say { :bla => 1, :bloop => 2 } , what exactly does the : do? I read somewhere about how it's similar to a string, but somehow a symbol.
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Erasing elements from a vector
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Depending on why you are doing this, using a std::set might be a better idea than std::vector.
It allows each element to occur only once. If you add it multiple times, there will only be one instance to erase anyway. This will make the erase operation trivial.
The erase ope...
Executing Batch File in C#
...below, I was able to recreate the problem. There seems to be some security setting that results in this behaviour (haven't investigated that in detail).
This does work if the batch file is not located in C:\Windows\System32. Try moving it to some other location, e.g. the location of your executabl...