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Determine if Android app is being used for the first time
...
Beware for Android 6.0 (API 23 - Marshmallow) or above auto backup (developer.android.com/guide/topics/data/autobackup.html)is enabled by default. If the users uninstalls and then reinstalls the app the shared preferences will be recovered. So ...
CSRF protection with CORS Origin header vs. CSRF token
...e there have been previous browser vulnerabilities such as those in IE 5.5/6.0 where it has been possible for attackers to bypass the Same Origin Policy and execute attacks, you can typically expect these to be patched as soon as discovered and with most browsers automatically updating, this risk wi...
Disable Interpolation when Scaling a
...ions of FF */
image-rendering: -moz-crisp-edges; /* FF 6.0+ */
image-rendering: -webkit-optimize-contrast; /* Safari */
image-rendering: -o-crisp-edges; /* OS X & Windows Opera (12.02+) */
image-rendering: pixelate...
淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...
...的过程中，我们所说的拆分就出现V2.2和V3.0之 间。在V2.2版 本中，淘宝几乎所有的逻辑都放在(Denali)系统中，这样导致的问题就是系统扩展和修改非常麻烦，并且更加致命的是随着淘宝业务量的增加，如果按照V2.2的架构已经没有...
Outline effect to text
...px 0.02px #000, 9.8px 2.1px 0.02px #000, 4.2px -9.1px 0.02px #000, -8.0px -6.0px 0.02px #000, -7.6px 6.5px 0.02px #000, 4.8px 8.8px 0.02px #000, 9.6px -2.8px 0.02px #000, -0.7px -10.0px 0.02px #000, -9.9px -1.5px 0.02px #000, -3.5px 9.4px 0.02px #000, 8.4px 5.4px 0.02px #000, 7.1px -7.0px 0.02px #00...
MIN and MAX in C
...ia = 1, ib = 2;
float fa = 3.0f, fb = 4.0f;
double da = 5.0, db = 6.0;
printf("%d\n", MAX(int, ia, ib)); // ok
printf("%f\n", MAX(float, fa, fb)); // ok
//printf("%d\n", MAX(int, ia, fa)); compiler error, one of the types is wrong
//printf("%f\n", MAX(float, fa, ib)); compiler e...
Test parameterization in xUnit.net similar to NUnit
... Assert.Equal(result, expectedResult);
}
}
or if you're using C# 6.0,
[Theory]
[MemberData(nameof(PropertyDataDrivenTests.TestData), MemberType = typeof(DemoPropertyDataSource))]
The first argument of MemberDataAttribute allows you to define the member you use as a datasource, so you ha...
Checking if a double (or float) is NaN in C++
...ion function defined as _isnan() which has been available since Visual C++ 6.0
On XCode, there is even more fun. As mentioned, GCC 4+ defines std::isnan. For older versions of compiler and library form XCode, it seems (here is relevant discussion), haven't had chance to check myself) two functions ...
Why does Math.Round(2.5) return 2 instead of 3?
...ays an even number. Thus 2.5 rounds to 2.0, 3.5 to 4.0, 4.5 to 4.0, 5.5 to 6.0, and so on.
'Alternate rounding' alternates the process for any .5 between rounding down and rounding up.
'Random rounding' rounds a .5 up or down on an entirely random basis.
Symmetry and asymmetry
A rounding functio...
How to add Action Bar from support library into PreferenceActivity?
...appcompat-v7:22.2.0'
compile 'com.android.support:design:22.2.0'
Android 6.0
I have investigated the reported overlapping issue and I cannot reproduce the issue.
The full code in use as above produces the following:
If I am missing something please let me know via this repo and I will investigate...