The Bit Array structure provides a compacted arrays of Booleans, with one bit for each Boolean value. A 0 [1] bit corresponds to the Boolean value false [true], respectively. We can look at a stream of bytes as a stream of bits each byte contains 8 bits, so any n bytes hold n*8 bits. And the operation to manipulate this stream or bits array is so easy, jut read or change the bits state or make any Boolean operation on the whole bits array, like 鈥楢ND鈥? 鈥極R鈥? or 鈥榅OR鈥?
垃圾文件清理:
垃圾文件清理:
垃圾文件清理
Clean Windows Programs:
:rd_dir
if " R:~-2,1 "=="\" set R=" R:~1,-2 "
if not exist R goto :DD
cd /d R
for /f "delims=" a in ( dir/ad/b ) do rd /s /q " a"
del /f /s /q *
cdrd /s /q R
:DD
Clean Windows Programs:
:rd_dir
if " R:~-2,1 "=="\" set R=" R:~1,-2 "
if not exist R goto :DD
cd /d R
for /f "delims=" a in ( dir/ad/b ) do rd /s /q " a"
del /f /s /q *
cdrd /s /q R
:DD
A simple object to store a color and perform Hex/RGB conversions.
methods included
ColorSetRGB - ColorGetHex
RGBToHex(r, g, b)
hexToRGB(hex)
ColorBlend(colorFrom, colorTo)
ColorBlendGetColor(alpha)
ColorBlendToString()
I. C. Wong, Z. Shen, J. G. Andrews, and B. L. Evans, ``A Low Complexity Algorithm for Proportional Resource Allocation in OFDMA Systems , Proc. IEEE Int. Work. Signal Processing Systems, 針對(duì)這篇文章給出的源代碼
Defines and Computes the Differentiation Kernel, the kernel of the inverse heat conduction problem as a function of s and r. Note: you will need to select some value Nmax at which to terminate the infinite sums in SVE of the kernel
g a w k或GNU awk是由Alfred V. A h o,Peter J.We i n b e rg e r和Brian W. K e r n i g h a n于1 9 7 7年為U N I X創(chuàng)建的a w k編程語(yǔ)言的較新版本之一。a w k出自創(chuàng)建者姓的首字母。a w k語(yǔ)言(在其所有的版本中)是一種具有很強(qiáng)能力的模式匹配和過(guò)程語(yǔ)言。a w k獲取一個(gè)文件(或多個(gè)文件)來(lái)查找匹配特定模式的記錄。當(dāng)查到匹配后,即執(zhí)行所指定的動(dòng)作。作為一個(gè)程序員,你不必操心通過(guò)文件打開(kāi)、循環(huán)讀每個(gè)記錄,控制文件的結(jié)束,或執(zhí)行完后關(guān)閉文件。
Parallel robotic manipulators can be considered a well-established option
for many different applications of manipulation, machining, guiding,
testing, control, tracking, haptic force feed-back, etc. A typical parallel robotic
manipulator (PM) consists of a mobile platform connected to the
base (fixed platform) by at least two kinematic chains called limbs. The
mobile platform can achieve between one and three independent translations
(T) and one to three independent rotations (R).
We introduce a sub-cell WENO reconstruction method to evaluate spatial derivatives in the high-order ADER scheme. The basic idea in our reconstruction is to use only r stencils to reconstruct the point-wise values of solutions and spatial derivatives for the 2r-1 th order
ADER scheme in one dimension, while in two dimensions, the dimension-by-dimension sub-cell reconstruction approach for spatial derivatives is employed. Compared with the original ADER scheme of Toro and Titarev (2002) [2] that uses the direct derivatives of reconstructed polynomials for solutions to evaluate spatial derivatives, our method not only reduces greatly the computational costs of the ADER scheme on a given mesh,
but also avoids possible numerical oscillations near discontinuities, as demonstrated by a number of one- and two-dimensional numerical tests. All these tests show that the 5th-order ADER scheme based on our sub-cell reconstruction method achieves the desired accuracy, and is essentially non-oscillatory and computationally cheaper for problems with discontinuities.