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Sleep until a specific time/date
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sleep $sleep_seconds
To add precision down to nanoseconds (effectively more around milliseconds) use e.g. this syntax:
current_epoch=$(date +%s.%N)
target_epoch=$(date -d "20:25:00.12345" +%s.%N)
sleep_seconds=$(echo "$target_epoch - $current_epoch"|bc)
sleep $sleep_seconds
Note that macOS ...
How to retrieve a single file from a specific revision in Git?
...oot of the repository, not your current directory position.
(Although Mike Morearty mentions that, at least with git 1.7.5.4, you can specify a relative path by putting "./" at the beginning of the path. For example:
git show HEAD^^:./test.py
)
Using git restore
With Git 2.23+ (August 2019), you ca...
Nearest neighbors in high-dimensional data?
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How does the extend() function work in jQuery?
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27
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Nodejs send file in response
...ta from memory without it going to disk." The post I linked to explains in more detail.
– Michelle Tilley
Apr 6 '12 at 22:57
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Interview questions: WPF Developer [closed]
...No questions, just see what their code is like after a couple of hours (or more if the task is longer).
I have had a zero failure rate on making a hiring descision based on the results of an actual real life programming test.
The task doesn't have to be too difficult. I've used a simple message of...
How do I force make/GCC to show me the commands?
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183
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Are PDO prepared statements sufficient to prevent SQL injection?
...tmt->execute(array($var));
In certain circumstances, that will return more than 1 row. Let's dissect what's going on here:
Selecting a Character Set
$pdo->query('SET NAMES gbk');
For this attack to work, we need the encoding that the server's expecting on the connection both to encode '...
What are the default access modifiers in C#?
...of exception to this is making one part of a property (usually the setter) more restricted than the declared accessibility of the property itself:
public string Name
{
get { ... }
private set { ... } // This isn't the default, have to do it explicitly
}
This is what the C# 3.0 specifica...
Create Generic method constraining T to an Enum
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Well, make it even more constrained then, if you choose to go down this path... use "class TestClass<T> where T : struct, IComparable, IFormattable, IConvertible"
– Ricardo Nolde
Sep 27 '10 at 18:42
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