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How is the default max Java heap size determined?
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In my case on Linux, InitialHeapSize = 262803264 and MaxHeapSize = 4206886912 which is about 256 MB and 4 GB if I'm not mistaken. Does this mean that every JVM starts as if it was launched with -Xms256m -Xmx4g options?
– Yuriy Nakonechnyy
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Floating point vs integer calculations on modern hardware
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@JohannesSchaub-litb: SSE2 (baseline for x86-64) has packed double-precision FP. With only two 64-bit doubles per register, the potential speedup is smaller than float for code that vectorizes well. Scalar float and double use XMM registers on x86-64, with legacy x87 ...
Stack Overflow：StackExchange网络不同主题网站的”祖父“ - 更多技术 - ...
...了这些问题，促进他们作出改变。
问：几周前库茨和一位微软必应高管发生了争执，后者指责谷歌借搜索引擎作弊者牟利，你觉得这种说法有道理吗？
答：确实有很多作弊网站以谷歌Adsense广告作为唯一的盈利方式，不过指责...
泡在Stack Overflow答题30天 - 创意 - 清泛网 - 专注C/C++及内核技术
...不知道他们甚至有个专属用词，直到某天有个用户斥责一位问题提问者为“求助吸血鬼”我才知道。
我就曾经为几个看起来像“求助吸血鬼”的用户回答过问题，接着就一发不可收拾了。他们通常采纳了我的答案接着在再答案...
System.BadImageFormatException: Could not load file or assembly [duplicate]
service is x86 compiled even both computers are x64 and it works on my computer. Here in server where is win 2008 i get this error.
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How should I print types like off_t and size_t?
...77: '_snprintf_s' : format string '%jd' requires an argument of type '__int64', but variadic argument 1 has type 'off_t'"... A truely portable way is printf("%lld\n", (long long)x);
– ericcurtin
Jun 13 '18 at 16:59
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Solution for “Fatal error: Maximum function nesting level of '100' reached, aborting!” in PHP
...nd_extension = "d:/wamp/bin/php/php5.3.8/zend_ext/php_xdebug-2.1.2-5.3-vc9.dll
in my php.ini file. This extension was limiting the stack to 100 so I disabled it. The recursive function is now working as anticipated.
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Encrypt Password in Configuration Files? [closed]
...n;
import java.security.spec.InvalidKeySpecException;
import java.util.Base64;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.SecretKeySpec;
publ...
Convert Pandas column containing NaNs to dtype `int`
...type()). Other accepted nullable integer types are pd.Int16Dtype and pd.Int64Dtype. Pick your poison.
– cs95
Apr 2 '19 at 7:56
1
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Does Python SciPy need BLAS?
...-fno-second-underscore -c *.f # with gfortran
## OR for GNU compiler on 64-bit systems:
#g77 -O3 -m64 -fno-second-underscore -fPIC -c *.f # with g77
gfortran -O3 -std=legacy -m64 -fno-second-underscore -fPIC -c *.f # with gfortran
## OR for Intel compiler:
#ifort -FI -w90 -...