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Are parallel calls to send/recv on the same socket valid?
I know that a good design should avoid this, but I am not clear how these system APIs will behave. I am unable to find a good documentation also for the same.
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What does “./bin/www” do in Express 4.x?
...ort settings are written and everything others like middleware and routing is defined in ./app.js file.
6 Answers
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Two single-column indexes vs one two-column index in MySQL?
... index can also be used as a single column index, but only for the column listed first.
Sometimes it can be useful to have an index on (A,B) and another index on (B). This makes queries using either or both of the columns fast, but of course uses also more disk space.
When choosing the indexes, yo...
MySQL: Can't create table (errno: 150)
...ave indexes on the referenced keys, as stated earlier. If these are not satisfied, MySQL returns Error 1005 and refers to Error 150 in the error message, which means that a foreign key constraint was not correctly formed. Similarly, if an ALTER TABLE fails due to Error 150, this means that a foreign...
adding noise to a signal in python
I want to add some random noise to some 100 bin signal that I am simulating in Python - to make it more realistic.
7 Answer...
How do I stop a Git commit when VI is on the screen waiting for a commit message?
...g a previous commit), just delete the entire log message and save again. This can be done with ggdG + :wq in Vim.
Have the editor exit with a non-zero exit code. In Vim, you can use :cq (quit with an error code).
It's worth noting that you can always reset your working copy to the state it was in ...
How do I find the PublicKeyToken for a particular dll?
...d to recreate a provider in my web.config file that looks something like this:
10 Answers
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How to print a float with 2 decimal places in Java?
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edited Feb 20 '18 at 12:41
Sandeep Yohans
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How do I make a text input non-editable?
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edited Jan 12 '17 at 0:57
Bradley Flood
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Fit Image in ImageButton in Android
... attributes can be set in code on each ImageButton at runtime. However, it is much easier to set and preview in xml in my opinion.
Also, do not use sp for anything other than text size, it is scaled depending on the text size preference the user sets, so your sp dimensions will be larger than your ...