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Which is better in python, del or delattr?
...tructions:
2 0 LOAD_FAST 0 (foo)
3 DELETE_ATTR 0 (bar)
whereas delattr(foo, "bar") takes five:
2 0 LOAD_GLOBAL 0 (delattr)
3 LOAD_FAST 0 (foo)
6 LOAD_CONST 1 ('...
逆向工程——二进制炸弹(CSAPP Project) - 操作系统(内核) - 清泛网 - 专注...
...是哪个了。于是先在初始时随便输入六个数，比如：1 2 3 4 5 6，然后在0x8048b54处设立一个断点，用命令：p *(int *) ($ebp - 0x20) 查看其中的值，发现是输入的第一个整数。然后，就可以确定了第一个参数必须为1，炸弹才不会爆炸（0x...
FIND_IN_SET() vs IN()
... to the first non-digit (a comma in your case).
Thus,
companyID IN ('1,2,3') ≡ companyID IN (CAST('1,2,3' AS INT)) ≡ companyID IN (1)
In PostgreSQL, you could cast the string into array (or store it as an array in the first place):
SELECT name
FROM orders
JOIN company
ON company...
Reading CSV file and storing values into an array
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434
You can do it like this:
using System.IO;
static void Main(string[] args)
{
using(var rea...
Convert objective-c typedef to its string equivalent
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135
This is really a C question, not specific to Objective-C (which is a superset of the C language...
Backbone View: Inherit and extend events from parent
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edited Jul 6 '12 at 0:13
answered Feb 22 '12 at 21:56
so...
Removing empty lines in Notepad++
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answered Oct 5 '10 at 17:13
BradBrad
14.2k66 gold badges3232 silver badges5454 bronze badges
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iOS: How to store username/password within an app?
...h greatly simplifies using Keychain.
Include Security.framework (in Xcode 3 right-click on frameworks folder and add existing framework. In Xcode 4 select your project, then select target, go to Build Phases tab and click + under Link Binary With Files) and KeychainItemWrapper .h & .m files int...
Tracking the script execution time in PHP
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edited Mar 31 '18 at 16:14
answered Feb 11 '09 at 1:07
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How to run a PowerShell script without displaying a window?
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132
You can either run it like this (but this shows a windows for a while):
PowerShell.exe -window...