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What's the algorithm to calculate aspect ratio?
...rather than a float:1 solution like 1.77778:1.
If so, what you need to do is find the greatest common divisor (GCD) and divide both values by that. The GCD is the highest number that evenly divides both numbers. So the GCD for 6 and 10 is 2, the GCD for 44 and 99 is 11.
For example, a 1024x768 mon...
'Best' practice for restful POST response
...very relevant, but I can hardly see why returning the whole object when it is created would be a bad practice in a normal use case. This would be useful at least to get the ID easily and to get the timestamps when relevant.
This is actually the default behavior got when scaffolding with Rails.
I re...
Can CSS detect the number of children an element has?
... of a previous phrasing in the original question, a few SO citizens have raised concerns that this answer could be misleading. Note that, in CSS3, styles cannot be applied to a parent node based on the number of children it has. However, styles can be applied to the children nodes based on the numbe...
What does the 'b' character do in front of a string literal?
Apparently, the following is the valid syntax:
8 Answers
8
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Why can't code inside unit tests find bundle resources?
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When the unit test harness runs your code, your unit test bundle is NOT the main bundle.
Even though you are running tests, not your application, your application bundle is still the main bundle. (Presumably, this prevents the code you are testing from searching the wrong bundle.) Thus, i...
Where is Developer Command Prompt for VS2013?
I need to run web.exe file from my developer command prompt in Visual Studio 2013. By default, the command prompt is not installed in Visual Studio 2013.
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Find mouse position relative to element
...ffset().top) + $(window).scrollTop();
Note the following performance optimisation:
var offset = $('#element').offset();
// Then refer to
var x = evt.pageX - offset.left;
In this way, JQuery does not have to look up #element for each line.
Update
There is a newer, JavaScript-only version in an ans...
How to convert a Java 8 Stream to an Array?
What is the easiest/shortest way to convert a Java 8 Stream into an array?
10 Answers
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...越好。
#vi /etc/selinux/config
确认里面的SELINUX字段的值是disabled，如果不是则改为disabled。
#service iptables stop
4、软件包的需求
binutils
compat-libcap1
compat-libstdc++-33
elfutils-libelf
elfutils-libelf-devel
gcc
gcc-c++
glibc
glibc-common
glibc...
Changing Font Size For UITableView Section Headers
...
Unfortunately, you may have to override this:
In Objective-C:
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
In Swift:
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView?
Try som...