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Length of an integer in Python
...}".format(i).split("e")[1]) + 1 # e.g. `1e10` -> `10` + 1 -> 11
def mod_size(i):
return len("%i" % i) # Uses string modulo instead of str(i)
def fmt_size(i):
return len("{0}".format(i)) # Same as above but str.format
(the libc function requires some setup, which I haven't included)...
How to map atan2() to degrees 0-360
...
Solution using Modulo
A simple solution that catches all cases.
degrees = (degrees + 360) % 360; // +360 for implementations where mod returns negative numbers
Explanation
Positive: 1 to 180
If you mod any positive number between 1 a...
Add alternating row color to SQL Server Reporting services report
...nd choose "Expression..."
Use this expression:
= IIf(RowNumber(Nothing) Mod 2 = 0, "Silver", "Transparent")
This trick can be applied to many areas of the report.
And in .NET 3.5+ You could use:
= If(RowNumber(Nothing) Mod 2 = 0, "Silver", "Transparent")
Not looking for rep--I just research...
近期 Chrome 下 Discuz 兼容问题修复记录：AJAX 提交失效与移动链接误跳转 ...
...等 AJAX 表单提交已恢复正常。
例如访问：
forum.php?mod=viewthread&tid=2865&fromguid=hot&extra=&mobile=2
不会正常回到对应的电脑版帖子地址，而是错误跳转到：
misc.php?mod=mobile
原因：
Discuz 全局移动识别逻辑里，当请求带 m...
Remove .php extension with .htaccess
...in the Stack Overflow question How to hide the .html extension with Apache mod_rewrite should work fine.
Re 1) Change the .html to .php
Re a.) Yup, that's possible, just add #tab to the URL.
Re b.) That's possible using QSA (Query String Append), see below.
This should also work in a sub-directo...
Deny all, allow only one IP through htaccess
... Note on 2.4 docs: The Allow, Deny, and Order directives, provided by mod_access_compat, are deprecated and will go away in a future version. You should avoid using them, and avoid outdated tutorials recommending their use.
– Martin Schneider
Apr 30 '18 at...
Modulo operation with negative numbers
... Should the compiler be smart enough and detect that an unsigned modulo another unsigned is always positive? Currently (well, GCC 5.2) the compiler seems to think that "%" returns an "int" in this case, rather than "unsigned" even when both operands are uint32_t or bigger.
...
How can we make xkcd style graphs?
... <- (rg[4] - rg[3]) / 1000;
xjitter <- (rg[2] - rg[1]) / 1000;
x_mod <- x + rnorm(len) * xjitter;
y_mod <- y + rnorm(len) * yjitter;
lines(x_mod, y_mod, col='white', lwd=10);
lines(x_mod, y_mod, col=color, lwd=5);
}
Basic axis:
xkcd_axis <- function() {
rg <- par("...
Do you have to restart apache to make re-write rules in the .htaccess take effect?
...races in the error.log Hope that helps. http://httpd.apache.org/docs/2.4/mod/mod_rewrite.html#logging
– Casper Wilkes
Apr 16 '18 at 16:27
...
How is a CRC32 checksum calculated?
... + 1x^10 + 1x^1 + x^0
But mathematicians changed the rules so that it is mod 2. So basically any binary polynomial mod 2 is just addition without carry or XORs. So our original equation looks like:
=( 1x^110 + 1x^101 + 1x^100 + 11x^11 + 1x^10 + 1x^1 + x^0 ) MOD 2
=( 1x^110 + 1x^101 + 1x^100 + 1x...