A binary tree X is flip equivalent to a binary tree Y if and only if we can make X equal to Y after some...Write a function that determines whether two binary trees are flip equivalent.
-keep_equivalent_registers即保留等效寄存器,所谓等效寄存器是指共享输入端口(输入时钟端口clk和输入数据端口rst)的寄存器。...时 执行综合后,打开Schematic,如下图: 当不勾选keep_equivalent_registers时,意味着不保留等效寄存器,意味着等效寄存器会合并,合并意味着减少触发器FF的使用。...为便于理解,可以和勾选keep_equivalent_registers时的Schematic做对比。...当勾选keep_equivalent_registers时,意味着保留等效寄存器,意味着不会对等效寄存器进行优化,等效寄存器的好处在于可以有效的降低扇出,坏处是增加了触发器FF的使用数量。...既然等效寄存器有好有坏,直接勾选或者不勾选keep_equivalent_registers都太简单粗暴了,一个好的处理方式是: 默认不勾选keep_equivalent_registers,并且使用
result.add(odd_even) return len(result) Reference https://leetcode.com/problems/groups-of-special-equivalent-strings
所谓等效寄存器(equivalent registers)是指具有同源的寄存器即共享输入端口(时钟端口和数据端口)的寄存器。等效寄存器可能是设计者无意引入,也可能是有意为之。...对于上述代码,在综合阶段,如果勾选-keep_equivalent_registers,那么rst_rep1和rst_rep2对应的寄存器均会被保留,打开综合后的设计,在Schematic中会看到rst_rep1...但是,通常上述代码只是工程中的一个很小的部分,勾选-keep_equivalent_registers会造成Vivado无法对其他无意引入的等效寄存器进行优化,这是不利的方面。...采用KEEP作用于rst_rep1和rst_rep2,确保了这两个寄存器不被优化,同时不勾选-keep_equivalent_registers也使得Vivado可以对其他无意引入的寄存器进行优化。...结论: -通常情况下,建议不要勾选-keep_equivalent_registers,以确保工具对无意引入的等效寄存器进行优化; -对于手工复制的寄存器,可通过综合属性KEEP确保其不被优化掉; -对于全局复位或全局使能信号可通过手工复制寄存器的方式降低扇出
本地开发过程中遇到了开发数据导出到表格中功能时,遇到了导出报错的问题,以前写的的导出代码(PHPEXCEL批量导入数据),运行时没有问题,这次使用PHP7.3版...
有个项目使用的thinkphp5 在php7.3以上当搭建起来后会报这个错误 "continue" targeting switch is equivalent to "break".
ljust() Equivalent to str.ljust rjust() Equivalent to str.rjust zfill() Equivalent to str.zfill wrap...to str.strip rstrip() Equivalent to str.rstrip lstrip() Equivalent to str.lstrip partition() Equivalent...) Equivalent to str.casefold upper() Equivalent to str.upper find() Equivalent to str.find rfind() Equivalent...to str.rfind index() Equivalent to str.index rindex() Equivalent to str.rindex capitalize() Equivalent...isalpha() Equivalent to str.isalpha isdigit() Equivalent to str.isdigit isspace() Equivalent to str.isspace
Equivalent to: [--JupyterApp.answer_yes=True] --execute Execute the notebook prior to export....Equivalent to: [--ExecutePreprocessor.allow_errors=True] --stdin read a single notebook file from...the existing notebook (only relevant when converting to notebook format) Equivalent...Equivalent to: [--TemplateExporter.exclude_input_prompt=True --TemplateExporter.exclude_output_prompt...Equivalent to: [--WebPDFExporter.disable_sandbox=True] --show-input Shows code input.
方法 equivalent public final boolean equivalent(@NullableDecl T a, @NullableDecl T b) 如果判断两个对象相等,返回true...对称性(symmetric):对于任何参数x,y,equivalent(x, y) == equivalent(y, x)。...传递性(transitive):对于任意参数x,y,z,如果equivalent(x, y)为真,equivalent(y, z),那么equivalent(x, z)应该返回真。...由equivalent调用,var1和var2不是同一个对象且非空。...(function).equivalent(a, b)返回真。
DIGEST 算法可取值如下: sysv (equivalent to sum -s) bsd (equivalent to sum -r) crc (equivalent to...cksum) md5 (equivalent to md5sum) sha1 (equivalent to sha1sum) sha224 (equivalent to sha224sum...) sha256 (equivalent to sha256sum) sha384 (equivalent to sha384sum) sha512 (equivalent to sha512sum...) blake2b (equivalent to b2sum) sm3 (only available through cksum) 4.常用示例 假设有一个 Shell 脚本文件 test.sh
涉及到的时区信息如下所示:01Equivalent to ISO P0102Equivalent to ISO P0203Equivalent to ISO P0304Equivalent to ISO...P0405Equivalent to ISO P0506Equivalent to ISO P0607Equivalent to ISO P0708Equivalent to ISO P0809Equivalent...to ISO P0910Equivalent to ISO P1011Equivalent to ISO P1112Equivalent to ISO P1213Equivalent to ISO M1214Equivalent...to ISO M1115Equivalent to ISO M1016Equivalent to ISO M0917Equivalent to ISO M0818Equivalent to ISO M0719Equivalent...to ISO M0620Equivalent to ISO M0521Equivalent to ISO M0422Equivalent to ISO M0323Equivalent to ISO M0224Equivalent
to logger C Equivalent to type class Equivalent to type d Equivalent to date date Used to output the...F Equivalent to file file Used to output the file name where the logging request was issued....Its use should be avoided unless execution speed is not an issue. l Equivalent to location L Equivalent...to level P Equivalent to property properties Equivalent to property property Used to output the an event...x Equivalent to ndc X Equivalent to mdc % The sequence %% outputs a single percent sign.
1.获取页面所有的 div /* jQuery */ $("div") /* native equivalent */ document.getElementsByTagName("div") 2....获取某类名相同的一群元素 /* jQuery */ $(".my-class") /* native equivalent */ document.querySelectorAll(".my-class...") /* FASTER native equivalent */ document.getElementsByClassName("my-class") 3.更复杂的一些选择器 /* jQuery...*/ $(".my-class li:first-child") /* native equivalent */ document.querySelectorAll(".my-class li:first-child...") /* jQuery */ $(".my-class").get(0) /* native equivalent */ document.querySelector(".my-class")
Equivalent Temperature (Te) --相当温度: The equivalent temperature is the temperature of a parcel if, via...Finding the equivalent temperature is slightly more difficult....Equivalent Potential Temperature (Θe)-- 相当位温: The equivalent potential temperature is similar to the...Tip: The process to find the equivalent potential temperature is the same as the regular equivalent temperature...Saturation equivalent potential temperature (represented as θes) is a special case of equivalent potential
`sbtest2`` ... equivalent Comparing the table data of ``sgy`....`sbtest1`` ... equivalent Comparing the table data of ``sbtest3`....`sbtest1`` ... equivalent Comparing the table data of ``sbtest2`....`sbtest1`` ... equivalent Comparing the table data of ``sbtest`....`sbtest1`` ... equivalent Comparing the table data of ``sgy`.
post_view(request, post_id): post = Post.objects.get(pk=post_id) return redirect(post) # equivalent...import Post def post_view(request, post_id): return redirect('post_details', id=post_id) # equivalent...django.shortcuts import redirect def relative_url_view(request): return redirect('/posts/archive/') # equivalent...def absolute_url_view(request): return redirect('https://simpleblog.com/posts/archive/') # equivalent
里是否有对应的name_str字符串的方法 2.getattr(obj,name_str), 根据name_str字符串去获取obj对象里的对应的方法的内存地址 3.setattr(obj,'y',z), is equivalent...to ``x.y = v'' obj是一个对象 y是一个对象中需要的属性 v 是y的值 4.delattr is equivalent to ``del x.y'' 实例代码如下: '...name_str字符串的方法 getattr(obj,name_str), 根据name_str字符串去获取obj对象里的对应的方法的内存地址 setattr(obj,'y',z), is equivalent...to ``x.y = v'' delattr is equivalent to ``del x.y'' ''' def bulk(self): print("%s is yelling
在Android开发中dp和px,sp和px之间的转换时必不可少的,网上流传的方法 public class DisplayUtils { /** * convert px to its equivalent...getDisplayMetrics().density; return (int) (pxValue / scale + 0.5f); } /** * convert dp to its equivalent...getDisplayMetrics().density; return (int) (dipValue * scale + 0.5f); } /** * convert px to its equivalent...getDisplayMetrics().scaledDensity; return (int) (pxValue / fontScale + 0.5f); } /** * convert sp to its equivalent...调用TypedValue类实现转换 /** * convert dp to its equivalent px */ protected int dp2px(int dp){ return (int
如果a与b全等/相等,(ab)返回std::strong_ordering::equal 如果a b是浮点值,就返回的是std::partial_ordering::less/greater/equivalent...| strong_ordering | less | equal | greater | | | weak_ordering | less | equivalent...| greater | | | partial_ordering | less | equivalent | greater | unordered...| strong_equality | | equal | nonequal | | | weak_equality | | equivalent
. */ public static final MediaType ALL; /** * A String equivalent of {@link MediaType...* */ public static final MimeType APPLICATION_JSON; /** * A String equivalent of...* */ public static final MimeType TEXT_HTML; /** * A String equivalent of {@link...* */ public static final MimeType TEXT_PLAIN; /** * A String equivalent of {@link...* */ public static final MimeType TEXT_XML; /** * A String equivalent of {@link
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