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Protect .NET code from reverse engineering?
...increase the price of the for-pay edition, so that in the end instead of 2,000 users at $20 each you have 100,000 free users, of which 500 are willing to pay $99 for the "professional" edition. This earns you more money than if you spent a bunch of time locking up your product. More than that, you c...
MySQL Insert into multiple tables? (Database normalization?)
...ot Federal Reserve. Nothing wrong with one broken user registration of 100 000 000 successful ones.
– Your Common Sense
Mar 3 '11 at 9:59
2
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How to round the minute of a datetime object
...ne (like in javascript):
rounding = (seconds + dt.microsecond/1000000 + round_to) // round_to * round_to
elif to == 'down':
rounding = seconds // round_to * round_to
else:
rounding = (seconds + round_to / 2) // round_to * round_to
return dt + ...
C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
# t实例中的p就是一个野指针
(gdb) p t
$1 = {i = 0, c = 0 '\000', d = 0 '\000', p = 0x4003e0 "1\355I\211\..."}
# 输出t的地址
(gdb) p &t
$2 = (struct test *) 0x7fffffffe5f0
#输出(t.i)的地址
(gdb) p &(t.i)
$3 = (char **) 0x7fffffffe5f0
#输出(t.p)的...
What is the difference between a mutable and immutable string in C#?
...ing str,
[1] class [mscorlib]System.Text.StringBuilder sb)
IL_0000: nop
IL_0001: ldstr "inital value"
IL_0006: stloc.0
IL_0007: ldstr "\nsecond value"
IL_000c: stloc.0
IL_000d: ldstr "\nthird value"
IL_0012: stloc.0
IL_0013: newobj instance void ...
Provide an image for WhatsApp link sharing
...ze limit info but it's not correct. The Whatsapp app fetches the first 300.000 bytes (Http header: "Range: bytes=0-299999")
– Adriano Tornatore
Oct 12 '16 at 17:28
7
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What is the best way to compute trending topics or tags?
...hat your historical data has told you that Britney Spears usually gets 100,000 searches, and Paris Hilton usually gets 50,000. If you have a day where they both get 10,000 more searches than normal, you should be considering Paris "hotter" than Britney, because her searches increased 20% more than n...
NOT IN vs NOT EXISTS
... example there the number of logical reads increase from around 400 to 500,000.
Additionally the fact that a single NULL can reduce the row count to zero makes cardinality estimation very difficult. If SQL Server assumes that this will happen but in fact there were no NULL rows in the data the rest...
Seedable JavaScript random number generator
....
function RNG(seed) {
// LCG using GCC's constants
this.m = 0x80000000; // 2**31;
this.a = 1103515245;
this.c = 12345;
this.state = seed ? seed : Math.floor(Math.random() * (this.m - 1));
}
RNG.prototype.nextInt = function() {
this.state = (this.a * this.state + this.c) %...
How do I unset an element in an array in javascript?
... I don't know what that means and keen to learn. As always, an edit is a 1,000,000 times better than an off-hand comment; you should know that with the amount of rep you have.
– going
Dec 26 '11 at 9:28
...