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Encrypt and decrypt a string in C#?
...Copy(nonSecretPayload, payload, nonSecretPayload.Length);
int payloadIndex = nonSecretPayload.Length;
byte[] cryptKey;
byte[] authKey;
//Use Random Salt to prevent pre-generated weak password attacks.
using (var generator = new Rfc2898DeriveBytes(password, SaltBitSize ...
Search for all occurrences of a string in a mysql database [duplicate]
I'm trying to figure out how to locate all occurrences of a url in a database. I want to search all tables and all fields. But I have no idea where to start or if it's even possible.
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What is the best open XML parser for C++? [duplicate]
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or use TinyXML 2 grinninglizard.com/tinyxml2/index.html
– KindDragon
Oct 17 '12 at 16:30
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Difference between matches() and find() in Java Regex
...uffer, but find() buffers. find() searches to the end of the string first, indexes the result, and return the boolean value and corresponding index.
That is why when you have a code like
1:Pattern.compile("[a-z]");
2:Pattern.matcher("0a1b1c3d4");
3:int count = 0;
4:while(matcher.find()){
5:c...
Making an iframe responsive
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This technique will work for all iframes, the trick is, the content in the iframe will need to be responsive as well, more on this here: benmarshall.me/responsive-iframes
– Ben Marshall
Aug 17 '18 at 16:53
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git replace local version with remote version
...s of one file (or a selection) from upstream. You don't want to affect the index directly (so you would go through add + commit as usual).
Simply do
git checkout remote/branch -- a/file b/another/file
If you want to do this for extensive subtrees and instead wish to affect the index directly use...
Drop all duplicate rows across multiple columns in Python Pandas
...e not explicitly labelled? How do I select the columns just based on their index?
– Hamman Samuel
Feb 9 '17 at 21:42
2
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Is it safe to remove selected keys from map within a range loop?
...n see from this playground play.golang.org/p/FwbsghzrsO . Note that if the index you delete is the first one in the range, it will still show that one since its already written to k,v but if you set the index to any besides the first one that range finds it will only display two key/value pairs inst...
Creating an R dataframe row-by-row
... all I came up with is the suggestion to create an empty list, keep a list index scalar, then each time add to the list a single-row dataframe and advance the list index by one. Finally, do.call(rbind,) on the list.
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Deleting array elements in JavaScript - delete vs splice
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delete will delete the object property, but will not reindex the array or update its length. This makes it appears as if it is undefined:
> myArray = ['a', 'b', 'c', 'd']
["a", "b", "c", "d"]
> delete myArray[0]
true
> myArray[0]
undefined
Note that it is not in...