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Synchronously waiting for an async operation, and why does Wait() freeze the program here
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SLaksSLaks
770k161161 gold badges17711771 silver badges18631863 bronze badges
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What is a “callback” in C and how are they implemented?
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207
There is no "callback" in C - not more than any other generic programming concept.
They're imp...
There can be only one auto column
... of a composite key?
– Nubcake
Sep 20 '17 at 18:13
What is the syntax when altering the table?
–...
How to sum a variable by group
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404
Using aggregate:
aggregate(x$Frequency, by=list(Category=x$Category), FUN=sum)
Category x
1...
curl -GET and -X GET
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270
By default you use curl without explicitly saying which request method to use. If you just pass ...
Converting Python dict to kwargs?
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answered Apr 19 '11 at 0:48
unutbuunutbu
665k138138 gold badges14831483 silver badges14721472 bronze badges
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Modulus % in Django template
...osts %}
<div class="post width1 height2 column {% if forloop.counter0|divisibleby:4 %}first{% endif %}">
<div class="preview">
</div>
<div class="overlay">
</div>
<h2>p.title</h2>
</div>
{% endfor %}
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How do I exclude all instances of a transitive dependency when using Gradle?
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140
Ah, the following works and does what I want:
configurations {
runtime.exclude group: "org.sl...
Opposite of String.Split with separators (.net)
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answered Jan 18 '09 at 16:46
robintwrobintw
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Conveniently Declaring Compile-Time Strings in C++
...ng to match the elegance of Scott Schurr's str_const presented at C++ Now 2012. It does require constexpr though.
Here's how you can use it, and what it can do:
int
main()
{
constexpr str_const my_string = "Hello, world!";
static_assert(my_string.size() == 13, "");
static_assert(my_st...