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How can I add an ampersand for a value in a ASP.net/C# app config file value
...es not automatically unescape these &xyl; characters when getting them from the config file.
– Efrain
Oct 27 '17 at 12:16
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Check existence of input argument in a Bash shell script
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For a noob, especially someone who comes from a non-scripting background, it is also important to mention some peculiarities about these things. You could have also mentioned that we need a space after the opening and the closing brace. Otherwise things do not work....
Can Visual Studio 2012 be installed side-by-side w/ Visual Studio 2010?
...an in-place upgrade). These binaries have bug fixes that will be "hidden" from you while debugging targeting .net 4.0. But when you deploy to a machine running only .net 4.0 (ie windows xp) then those bugs are not fixed for your user. See this post for more details: social.msdn.microsoft.com/Foru...
What is the difference between trie and radix trie data structures?
...its (or a hexidecimal digit: 0x0 through to 0xf).
This diagram, retrieved from Wikipedia, seems to depict a trie with (at least) the keys 'A', 'to', 'tea', 'ted', 'ten' and 'inn' inserted:
If this trie were to store items for the keys 't', 'te', 'i' or 'in' there would need to be extra informati...
How to save and restore multiple different sessions in Vim?
...not specify a session file name, it will default to writing to and reading from Session.vim. So if you only want to have only one session saved in your current directory, you can use :mksession or :mks from vim to save your current session, and just vim -S to open it back up.
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What's the complete range for Chinese characters in Unicode?
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I learned that CJK Unified Ideographs Extension A is from 3400 to 4dbf rather than 3400 to 4dff.
– Lerner Zhang
Dec 15 '16 at 2:11
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How can I convert a std::string to int?
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In C++11 there are some nice new convert functions from std::string to a number type.
So instead of
atoi( str.c_str() )
you can use
std::stoi( str )
where str is your number as std::string.
There are version for all flavours of numbers:
long stol(string), float stof(...
What's the difference between using “let” and “var”?
...ne of the main sources of bugs in JavaScript.
Take a look at this example from another stackoverflow question:
var funcs = [];
// let's create 3 functions
for (var i = 0; i < 3; i++) {
// and store them in funcs
funcs[i] = function() {
// each should log its value.
console.log("My v...
Passing current scope to an AngularJS Service
... it would be better if you received parameters. But you could also read it from a scope as an object parameter, but I would go with parameter, that would make your service interface much more clearer.
share
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Automatically enter SSH password with script
...UR_USERNAME@SOME_SITE.COM:2400
Notes:
sshpass can also read a password from a file when the -f flag is passed.
Using -f prevents the password from being visible if the ps command is executed.
The file that the password is stored in should have secure permissions.
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