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Arrow operator (->) usage in C
...ore legible foo*.bar. The whole mess of typedef-ing functions with all the extra parentheses would have been avoided as well.
– Marquis of Lorne
Jan 26 '15 at 6:04
...
How to read/write from/to file using Go?
...unc main() {
contents,_ := ioutil.ReadFile("plikTekstowy.txt")
println(string(contents))
ioutil.WriteFile("filename", contents, 0644)
}
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What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?
...merable which can be lazily evaluated somewhat, whereas GetFiles returns a string[] which has to be fully populated before it can return.
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RAII and smart pointers in C++
...ance (and stealing an example from another answer):
void foo() {
std::string str;
// Do cool things to or using str
}
This works fine - but what if we want to return str? We could write this:
std::string foo() {
std::string str;
// Do cool things to or using str
return str;
}...
Angular IE Caching issue for $http
...
You can either append a unique querystring (I believe this is what jQuery does with the cache: false option) to the request.
$http({
url: '...',
params: { 'foobar': new Date().getTime() }
})
A perhaps better solution is if you have access to the serv...
IntelliJ inspection gives “Cannot resolve symbol” but still compiles code
...ehow didn't clear out the old .iml files under .idea/modules. Delete those extra .iml file and rebuild the project fixed the issue.
– Chen
Dec 14 '18 at 16:10
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Kill a Process by Looking up the Port being used by it from a .BAT
... were using this directly on the command line, instead of inside a command string, you would use | instead of ^|.
findstr :8080
This filters any output that is passed into it, returning only lines that contain :8080.
TaskKill.exe /PID <value>
This kills a running task, using the process ...
GitHub clone from pull request?
...
What the gist document does is add an extra set of information (refs or references) to fetch from GitHub. When you do git fetch github you can then do git co -t github/pr/#. This prevents you from having to copy and paste the remote URL, figure out the branch nam...
Comma separator for numbers in R?
... comment:
Be aware that these have the side effect of padding the printed strings with blank space, for example:
> prettyNum(c(123,1234),big.mark=",")
[1] " 123" "1,234"
Add trim=TRUE to format or preserve.width="none" to prettyNum to prevent this:
> prettyNum(c(123,1234),big.mark=",", ...
How do I use the conditional operator (? :) in Ruby?
..." : "false" then expected puts to return the boolean which then became the string value.
– Fresheyeball
Aug 25 '15 at 23:16
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