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What is Bit Masking?
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250
A mask defines which bits you want to keep, and which bits you want to clear.
Masking is the ac...
[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...算符和初始化列表：
array<int, 3> a = {1, 2, 3};
array<int, 100> b = {1, 2, 3}; // a[0] ~ a[2] = 1, 2, 3; a[3] ~ a[99] = 0, 0, 0 ... 0;
array<int, 3> c; // c[0] ~ c[2] 未初始化，是垃圾值.
assignment
形式
说明
c = other
把ot...
HTML5 Canvas Resize (Downscale) Image High Quality?
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+100
Since your problem is to downscale your image, there is no point in talking about interpolation -which is about creating pixel-. The ...
Center a map in d3 given a geoJSON object
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+300
The following seems to do approximately what you want. The scaling seems to be ok. When applying it to my map there is a small offset...
Kill a Process by Looking up the Port being used by it from a .BAT
In Windows what can look for port 8080 and try to kill the process it is using through a .BAT file?
14 Answers
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Fastest hash for non-cryptographic uses?
...because of the reduced length (32 bits compared to 128 bits respectively 160 bits). But if you just want to check whether a stored string is corrupted, you'll be fine with CRC32.
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What's the (hidden) cost of Scala's lazy val?
...uivalent to the following Java code:
class LazyTest {
public int bitmap$0;
private String msg;
public String msg() {
if ((bitmap$0 & 1) == 0) {
synchronized (this) {
if ((bitmap$0 & 1) == 0) {
synchronized (this) {
msg = "La...
What is the ultimate postal code and zip regex?
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20 Answers
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Determine font color based on background color
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20 Answers
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Django Server Error: port is already in use
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A more simple solution just type sudo fuser -k 8000/tcp.
This should kill all the processes associated with port 8000.
EDIT:
For osx users you can use sudo lsof -t -i tcp:8000 | xargs kill -9
sha...