大约有 40,000 项符合查询结果（耗时：0.0457秒） [XML]
Mythical man month 10 lines per developer day - how close on large projects? [closed]
...r per day" from the "Mythical Man Month", and starting a project, I can usually get a couple hundred lines in in a day.
15 ...
In Objective-C why should I check if self = [super init] is not nil?
...
For example:
[[NSData alloc] initWithContentsOfFile:@"this/path/doesn't/exist/"];
[[NSImage alloc] initWithContentsOfFile:@"unsupportedFormat.sjt"];
[NSImage imageNamed:@"AnImageThatIsntInTheImageCache"];
... and so on. (Note: NSData might throw...
Visual Studio “Find” results in “No files were found to look in. Find stopped progress.”
...o this thread:
Posted by Microsoft on 10/13/2009 at
4:33 PM
Hi all,
Thank you for your continued interest
in this bug. We have been able to
reproduce the issue intermittently in
several versions of Visual Studio
running on several versions of Windows
and have identified th...
Is GET data also encrypted in HTTPS?
...me in plaintext via the SNI extension (thanks @hafichuk), which is used by all modern mainstream browsers, though some only on newer OSes.
EDIT: (Since this just got me a "Good Answer" badge, I guess I should answer the entire question…)
The entire response is also encrypted; proxies cannot inte...
Why are floating point numbers inaccurate?
...ted a lot like scientific notation: with an exponent and a mantissa (also called the significand). A very simple number, say 9.2, is actually this fraction:
5179139571476070 * 2 -49
Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is impossible to represent some de...
What is the difference between `throw new Error` and `throw someObject`?
...t what we can extract from it in an event of an error? The Error object in all browsers support the following two properties:
name: The name of the error, or more specifically, the name of the constructor function the error belongs to.
message: A description of the error, with this description var...
Smooth scrolling when clicking an anchor link
...te April 2018: There's now a native way to do this:
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
anchor.addEventListener('click', function (e) {
e.preventDefault();
document.querySelector(this.getAttribute('href')).scrollIntoView({
behavior: 'smo...
Remove white space below image [duplicate]
...ions are necessary, the layout was in the question (so was the code, originally)
– robertc
Apr 20 '18 at 10:35
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show 1 more comment
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How can I quickly sum all numbers in a file?
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For a Perl one-liner, it's basically the same thing as the awk solution in Ayman Hourieh's answer:
% perl -nle '$sum += $_ } END { print $sum'
If you're curious what Perl one-liners do, you can deparse them:
% perl -MO=Deparse -nle '$sum += $_ } END ...
How to add a filter class in Spring Boot?
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You don't need filter bean when you call the method someFilter() directly.
– wst
Mar 14 '17 at 7:57
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