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Array to Hash Ruby
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360
a = ["item 1", "item 2", "item 3", "item 4"]
h = Hash[*a] # => { "item 1" => "item 2", "...
delegate keyword vs. lambda notation
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edited Jun 26 '15 at 12:39
answered Nov 18 '08 at 18:43
A...
Converting an int to std::string
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361
You can use std::to_string in C++11
int i = 3;
std::string str = std::to_string(i);
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Pass Array Parameter in SqlCommand
...eA WHERE Age IN ({Age})");
cmd.AddArrayParameters("Age", new int[] { 1, 2, 3 });
Notice the "{Age}" in the sql statement is the same as the parameter name we are sending to AddArrayParameters. AddArrayParameters will replace the value with the correct parameters.
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Logging levels - Logback - rule-of-thumb to assign log levels
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473
I mostly build large scale, high availability type systems, so my answer is biased towards looki...
What is a semaphore?
...oid Main(string[] args)
{
// Create the semaphore with 3 slots, where 3 are available.
Bouncer = new Semaphore(3, 3);
// Open the nightclub.
OpenNightclub();
}
public static void OpenNightclub()
{
for (int ...
Progress indicator during pandas operations
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302
Due to popular demand, tqdm has added support for pandas. Unlike the other answers, this will ...
Cannot generate iOS App archive in xcode
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317
Check Build Settings:
Skip install is NO for the main project target
Skip install is YES for...
Using Linq to get the last N elements of a collection?
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edited Jan 11 '19 at 0:43
answered Aug 10 '10 at 20:48
kb...
How many bytes does one Unicode character take?
...ion. Those are the various unicode encodings, such as utf-8, utf-16le, utf-32 etc. They are distinguished largely by the size of of their codeunits. UTF-32 is the simplest encoding, it has a codeunit that is 32bits, which means an individual codepoint fits comfortably into a codeunit. The other enco...