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Golang: How to pad a number with zeros when printing?
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The fmt package can do this for you:
fmt.Printf("|%06d|%6d|\n", 12, 345)
Notice the 0 in %06d, that will make it a width of 6 and pad it with zeros. The second one will pad with spaces.
You can see it in action here: http://play.golang.org/p/cinDspMccp
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How do I override nested NPM dependency versions?
...on:
{
"dependencies": {
"grunt-contrib-connect": {
"version": "0.3.0",
"from": "grunt-contrib-connect@0.3.0",
"dependencies": {
"connect": {
"version": "2.8.1",
"from": "connect@~2.7.3"
}
}
}
}
}
npm should automatically pick i...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
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750
You may use the different accessors to communicate your intent to someone reading your code, and...
Declaring variables inside or outside of a loop
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20 Answers
20
Active
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Why does 'continue' behave like 'break' in a Foreach-Object?
...on a particular iteration, thus, it simulates the continue in a loop.
1..100 | ForEach-Object {
if ($_ % 7 -ne 0 ) { return }
Write-Host "$($_) is a multiple of 7"
}
There is a gotcha to be kept in mind when refactoring. Sometimes one wants to convert a foreach statement block into a pipe...
Select tableview row programmatically
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110
From reference documentation:
Calling this method does not cause the delegate to receive a t...
Should one use < or
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The first is more idiomatic. In particular, it indicates (in a 0-based sense) the number of iterations. When using something 1-based (e.g. JDBC, IIRC) I might be tempted to use &lt;=. So:
for (int i=0; i &lt; count; i++) // For 0-based APIs
for (int i=1; i &lt;= count; i++) // For 1-ba...
How can I increment a char?
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180
In Python 2.x, just use the ord and chr functions:
&gt;&gt;&gt; ord('c')
99
&gt;&gt;&gt; ord('c...
input type=file show only button
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answered Feb 11 '13 at 6:07
shibashiba
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Why doesn't c++ have &&= or ||= for booleans?
... is then equivalent to static_cast&lt;int&gt;(b) &amp; 2, which results in 0, which is then converted back into a bool. So it’s true that the existence of an operator &amp;&amp;= would improve type safety.
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