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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
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Compatibility Guide for JDK 8 says that in Java 8 the command line flag MaxPermSize has been re...
CSS table layout: why does table-row not accept a margin?
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Vadim Ovchinnikov
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answered Apr 4 '13 at 0:09
MuffinTheManMuffinTheM...
What is the difference between BIT and TINYINT in MySQL?
... the column as a check box if they check the type and decide upon a format based on that.
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Intel SMID指令集编译错误: inlining failed in call to always_inline \'x...
...CPU指令集优化代码的时候，编译出错，报错如下： usr lib64 gcc x86_64-suse-linux 7 include avx2intrin h:252:1: error: inlining failed in call to always_i 最近在使用CPU指令集优化代码的时候，编译出错，报错如下：
/usr/lib64/gcc/x86_64-suse-linux/7/includ...
SQL SELECT speed int vs varchar
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Some rough benchmarks:
4 million records in Postgres 9.x
Table A = base table with some columns
Table B = Table A + extra column id of type bigint with random numbers
Table C = Table A + extra column id of type text with random 16-char ASCII strings
Results on 8GB RAM, i7, SSD laptop:
Siz...
FormsAuthentication.SignOut() does not log the user out
...de caching in the Page_Load event of each page, or in the OnLoad() of your base page:
Response.Cache.SetCacheability(HttpCacheability.NoCache);
You might also like to call:
Response.Cache.SetNoStore();
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When are you truly forced to use UUID as part of the design?
...dom - there are major components of the UUID that are time and/or location-based. So to have any real chance at a collision, the colliding UUIDs need tobe generated at the exact same time from different UUID generators. I'd say that while there is a reasonable chance that several UUID's might be ge...
What is the maximum possible length of a .NET string?
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Based on my highly scientific and accurate experiment, it tops out on my machine well before 1,000,000,000 characters. (I'm still running the code below to get a better pinpoint).
UPDATE:
After a few hours, I've given up. Fi...
How do I determine the current operating system with Node.js
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On Mac the variable returns darwin. On Windows, it returns win32 (even on 64 bit).
Current possible values are:
aix
darwin
freebsd
linux
openbsd
sunos
win32
I just set this at the top of my jakeFile:
var isWin = process.platform === "win32";
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Convert from ASCII string encoded in Hex to plain ASCII?
...his, here's one of the shortest, using only python-provided stuff:
import base64
hex_data ='57696C6C20796F7520636F6E76657274207468697320484558205468696E6720696E746F20415343494920666F72206D653F2E202E202E202E506C656565656173652E2E2E212121'
ascii_string = str(base64.b16decode(hex_data))[2:-1]
print (a...