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Java - sending HTTP parameters via POST method easily

... after you have opened the connection. This code should get you started: String urlParameters = "param1=a&param2=b&param3=c"; byte[] postData = urlParameters.getBytes( StandardCharsets.UTF_8 ); int postDataLength = postData.length; String request = "http://example.com/inde...
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How to concatenate strings in django templates?

I want to concatenate a string in a Django template tag, like: 12 Answers 12 ...
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How to search a Git repository by commit message?

...rmat:%Cgreen%H %Cblue%s\" --name-status --grep Then I can type "git find string" and I get a list of all the commits containing that string in the message. For example, to find all commits referencing ticket #33: 029a641667d6d92e16deccae7ebdeef792d8336b Added isAttachmentEditable() and isAttachme...
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What does void* mean and how to use it?

...ointers to point to any data type, from an integer value or a float to a string of characters. But in exchange they have a great limitation: the data pointed by them cannot be directly dereferenced (which is logical, since we have no type to dereference to), and for that reason we will alway...
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How to pass objects to functions in C++?

... C tmp = a; a = b; b = tmp; } public static void main( String args[] ) { C a = new C(); C b = new C(); C old_a = a; C old_b = b; swap( a, b ); // a and b remain unchanged a==old_a, and b==old_b } } The Java version of the code will modify...
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Is ASCII code 7-bit or 8-bit?

...set to 0 (yes, it's wasted in ASCII). You can verify this by inputting a string in the ASCII character set in a text editor, setting the encoding to ASCII, and viewing the binary/hex: Aside: the use of (strictly) ASCII encoding is now uncommon, in favor of UTF-8 (which does not waste the MSB men...
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Getting a map() to return a list in Python 3.x

... I guess because it's more verbose, you have to write an extra variable (twice)... If the operation is more complex and you end up writing a lambda, or you need also to drop some elements, I think a comprehension is definitively better than a map+filter, but if you already have the...
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When should null values of Boolean be used?

...umn). I see no reason to convert from boolean to Boolean as it introduces extra memory overhead, NPE possibility and less typing. Typically I use awkward BooleanUtils.isTrue() to make my life a little bit easier with Boolean. The only reason for the existence of Boolean is the ability to have coll...
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URL Encoding using C#

...t worry about that, as the folder name can be returned by decoding the Url string, using UrlDecode, so you can round trip the changes. share | improve this answer | follow ...
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C: Run a System Command and Get Output? [duplicate]

... parameter - command would be fine. What they don't do is take the entire string and pass it to a shell interpreter thereby allowing you to perform shell-style redirections, etc. It is therefore impossible to use exec in the manner described to achieve the OP's goal. – Alnita...