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What are the barriers to understanding pointers and what can be done to overcome them? [closed]

...after free ---------------------- | (note, memory might still xx34My house <--+ contain some data) Dangling pointers You tell your entrepreneur to destroy the house, but you forget to erase the address from your piece of paper. When later on you look at the piece of...
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创业公司倒闭大潮 教你正确烧钱速度? - 资讯 - 清泛网 - 专注C/C++及内核技术

...规模化并最终达到收益顶峰。 有些记者喜欢热情宣称“XX公司收入高达2000万”并认定这种公司一定很好,这是不对的。 这样的公司也可能非常不怎样,比如如果它其实是在做替别人卖鞋等实物生意,那么它就要比那些看上去...
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What are the undocumented features and limitations of the Windows FINDSTR command?

... No match was found in any line of any file. Invalid color specified by /A:xx option 2 (error) Incompatible options /L and /R both specified Missing argument after /A:, /F:, /C:, /D:, or /G: File specified by /F:file or /G:file not found 255 (error) Too many regular expression character class ...
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Javascript parseInt() with leading zeros

...22) { parseInt = (function (origParseInt) { var hexRegex = /^0[xX]/; return function parseIntES5(str, radix) { str = String(str).trim(); if (!Number(radix)) { radix = hexRegex.test(str) ? 16 : 10; } return origParseI...
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How to convert a char to a String?

...ion: JDK 1.8.0_131, VM 25.131-b11 This performance difference is due to -XX:+OptimizeStringConcat optimization. You can read about it here. share | improve this answer | fo...
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Does Java have a complete enum for HTTP response codes?

... It has 100 and 418. Pity that you have to call HttpStatus.XXX.value() to get int. – WesternGun Mar 14 '19 at 11:41 add a comment  |  ...
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How do you Force Garbage Collection from the Shell?

...xplicit GC is disabled, no GC has been performed that might be due to the -XX:+DisableExplicitGC VM argument. See: mail.openjdk.java.net/pipermail/serviceability-dev/2017-August/… – Eyal Roth Aug 28 '18 at 15:03 ...
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How can I update my ADT in Eclipse?

...ame. It will list the updates available- which should ideally be adt 20.xx Eclipse will restart and hopefully everything should work fine for you. share | improve this answer | ...
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Limit results in jQuery UI Autocomplete

...is to provide good help text to accompany this solution (e.g. Only the top XX matched results will be displayed. Continue typing to refine the results." Something along those lines. – HPWD Dec 13 '13 at 17:45 ...
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How do I analyze a .hprof file?

I have a production server running with the following flag: - XX:+HeapDumpOnOutOfMemoryError 7 Answers ...