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Alternatives to gprof [closed]
...lways found profilers not so useful for fixing slow code, and instead used selective bits of debugging code to measure the time taken by a group of statements of my choosing, often aided by some trivial little macros or whatever. It's never taken me too long to find the culprit, but I've always bee...
How to get first N elements of a list in C#?
... Except that you're now ordering only the first 5 elements after you've selected them. It may be faster, but it also has different semantics, which are less likely to be what people actually want to achieve.
– Greg Beech
Nov 26 '08 at 9:01
...
SVG: text inside rect
...
Programmatically using D3:
body = d3.select('body')
svg = body.append('svg').attr('height', 600).attr('width', 200)
rect = svg.append('rect').transition().duration(500).attr('width', 150)
.attr('height', 100)
.attr('x', 40)
...
Should I use px or rem value units in my CSS? [closed]
...u have to press Alt, and go to View, Text Size.) It's much easier to just select the Zoom option in the browser's main menu (or use Ctrl++/-/mouse wheel).
1 - within statistical error, naturally
If we assume most users scale pages using the zoom option, I find relative units mostly irrelevant. I...
Using Auto Layout in UITableView for dynamic cell layouts & variable row heights
... table view cell is tapped
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
print("You tapped cell number \(indexPath.row).")
}
}
Important Note:
It is the following two lines of code (along with auto layout) that make the variable cell height possi...
How to see which flags -march=native will activate?
I'm compiling my C++ app using GCC 4.3. Instead of manually selecting the optimization flags I'm using -march=native , which in theory should add all optimization flags applicable to the hardware I'm compiling on. But how can I check which flags is it actually using?
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【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...层做得好不好，直接决定整个BLE芯片的功耗，灵敏度以及selectivity等射频指标。Link Layer，简称：LL，链路层。LL层是整个BLE协议栈的核心，也是BLE协议栈的难点和重点。像Nordic的BLE协议栈能同时支持20个link（连接），就是LL层的功...
Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...est choice. I suppose the main point is that the HTML element shouldn't be selected based on its default presentation appearance, but rather its significance to the structure of the document.
– crush
Sep 3 '14 at 13:08
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How to align checkboxes and their labels consistently cross-browsers
... various label font sizes, big and small. Now, for fixing IE's baseline on selects and inputs...
Update: (Third-Party Edit)
The proper bottom position depends on font-family and font-size! I found using bottom: .08em; for checkbox & radio elements is a good general value. I tested it in Chro...
What encoding/code page is cmd.exe using?
... code page for instance, but I do not know since when these code pages are selectable. (It is under Win7.)
– Adam L. S.
Dec 26 '14 at 14:08
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