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In-Place Radix Sort
...or length 2, with "ACGT" that's 16 states, or 4 bits.
For length 3, that's 64 states, which can be encoded in 6 bits. So it looks like 2 bits for each letter in the sequence, or about 32 bits for 16 characters like you said.
If there is a way to reduce the number of valid 'words', further compressi...
做了个购物清单App后，我才真正搞懂App Inventor 2的变量 - App应用开发 - ...
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上个月教侄子学App开发，他一脸困惑："变量不就是装东西的盒子吗？为什么我的App总是显示旧数据？"
这让我想起自己刚接触App Inventor 2时的困惑——全局变量、局部变量、初始化、取值设置，概念都听过，但真正...
urllib2.HTTPError: HTTP Error 403: Forbidden
...cted&hiddDwnld=true"
hdr = {'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11',
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.3',
...
How can I check if a single character appears in a string?
...erialVersionUID = 1L;
private final long[] l = new long[1024]; // 65536 / 64 = 1024
public FastCharacterInStringChecker(final String string) {
for (final char c: string.toCharArray()) {
final int index = c >> 6;
final int value = c - (index << 6);
l[index] |...
自动生成Linux下Makefile全攻略（automake原理） - C/C++ - 清泛网 - 专注C/C++及内核技术
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make及make install的规则都需要参照Makefile文件，而Makefile是自动生成的，大家有兴趣可以查看下Makefile，代码很长很复杂。当然我们可以直接在Makefile文件中写编译规则，只是这样复杂度很高，且修改起来不灵活。
为了解决这个...
What killed my process and why?
...ernel: Node 0 DMA: 17*4kB (UEM) 22*8kB (UEM) 15*16kB (UEM) 12*32kB (UEM) 8*64kB (E) 9*128kB (UEM) 2*256kB (UE) 3*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 4580kB
Jul 20 11:05:00 someapp kernel: Node 0 DMA32: 216*4kB (UE) 601*8kB (UE) 448*16kB (UE) 311*32kB (UEM) 135*64kB (UEM) 74*128kB (UEM) 5*256kB (...
Why does changing the sum order returns a different result?
...gh it's important to understand that your decimal numbers (23.53, 5.88, 17.64) won't be represented exactly as double values, that's only a problem because of the problems shown above.
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How to print a query string with parameter values when using Hibernate
... | binding parameter [16] as [VARCHAR] - 053c2e65-5d51-4c09-85f3-2281a1024f64
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HintPath vs ReferencePath in Visual Studio
...ork\v4.0.30319\Microsoft.Common.targets
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\Microsoft.Common.targets
C:\Windows\Microsoft.NET\Framework64\v3.5\Microsoft.Common.targets
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Common.targets
This is with Visual Studio 2008, 2010 and 20...
Synthetic Class in Java
...> null).getClass().isSynthetic() == false
– Miha_x64
Oct 6 '16 at 15:25
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The javadoc for java...