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What is http multipart request?

...tipart request is a HTTP request that HTTP clients construct to send files and data over to a HTTP Server. It is commonly used by browsers and HTTP clients to upload files to the server. What it looks like See Multipart Content-Type See multipart/form-data ...
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How do I revert master branch to a tag in git?

We have branches origin and develop. The initial state of master was tagged at tag_ABC . 2 Answers ...
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What is the difference between a map and a dictionary?

... values. Isn't a dictionary the same? What is the difference between a map and a dictionary 1 ? 11 Answers ...
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How to minify php page html output?

... CSS and Javascript Consider the following link to minify Javascript/CSS files: https://github.com/mrclay/minify HTML Tell Apache to deliver HTML with GZip - this generally reduces the response size by about 70%. (If you use Apach...
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Redirect stderr and stdout in Bash

I want to redirect both stdout and stderr of a process to a single file. How do I do that in Bash? 15 Answers ...
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postgresql - add boolean column to table set default

... Note that if your table is big this can take a long time and lock the table for the entire time. It's faster to split it into steps: add the column without a default with ALTER TABLE users ADD COLUMN priv_user BOOLEAN;, then UPDATE users SET priv_user = 'f'; and finally if you need...
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How does a Linux/Unix Bash script know its own PID?

I have a script in Bash called Script.sh , and it needs to know its own PID (i.e. I need to get PID inside the Script.sh ) ...
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Java 8 Streams: multiple filters vs. complex condition

...re is any difference. Combining two filter instances creates more objects and hence more delegating code but this can change if you use method references rather than lambda expressions, e.g. replace filter(x -> x.isCool()) by filter(ItemType::isCool). That way you have eliminated the synthetic d...
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Dynamically adding properties to an ExpandoObject

I would like to dynamically add properties to a ExpandoObject at runtime. So for example to add a string property call NewProp I would like to write something like ...
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How do I bind a WPF DataGrid to a variable number of columns?

...ableColumnsPropertyChanged: 1. Check dataGrid for null before accessing it and throw an exception with good explanation about binding only to DataGrid. 2. Check e.OldValue for null and unsubscribe from CollectionChanged event to prevent memory leaks. Just for your convince. – M...