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#pragma pack effect

...64 or 4096 byte boundary buys you nothing above what the 8 byte boundary already gave you. You'll get the same performance from the CPU, while getting much worse cache utilization for the reasons outlined in that post. – jalf May 14 '15 at 18:30 ...
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How can I access a JavaScript object which has spaces in the object's key?

...tOptions[ 'character names' ].kid; You can use that notation either way, reading & writting. For more information read out here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects sh...
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Using the “final” modifier whenever applicable in Java [closed]

... publication of fields and can avoid the need for synchronization on later reads. (Note that for an object reference, only the field reference is immutable - things that object reference refers to can still change and that affects the immutability.) Final static fields - Although I use enums now fo...
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How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?

...@MarkStosberg. Although, one fringe benefit of this technique is you could read exclusions from an actual file, e.g. comm -23 <(ls) exclude_these.list – James M. Lay Dec 5 '17 at 18:10 ...
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How do I convert an enum to a list in C#? [duplicate]

...uperfluous, and will mean extra copying. Enum.GetValues returns an array already, so you just have to do var values = (SomeEnum[])Enum.GetValues(typeof(SomeEnum)) – thecoop Nov 9 '10 at 2:33 ...
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Is BCrypt a good hashing algorithm to use in C#? Where can I find it? [closed]

I have read that when hashing a password, many programmers recommend using the BCrypt algorithm. 2 Answers ...
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How to store date/time and timestamps in UTC time zone with JPA and Hibernate

...that they transform dates to/from the current JVM timezone by default when reading and writing from/to the database. I came up with a solution to this in Hibernate 3.5 by subclassing org.hibernate.type.TimestampType that forces these JDBC methods to use UTC instead of the local time zone: public c...
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What is the difference between String.slice and String.substring?

...y, and/or looking for short answer scroll to the bottom of the answer, and read the last two lines.if Not in a hurry read the whole thing.let me start by stating the facts: Syntax: string.slice(start,end) string.substr(start,length) string.substring(start,end) Note #1: slice()==substring() What it...
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Generic method multiple (OR) type constraint

Reading this , I learned it was possible to allow a method to accept parameters of multiple types by making it a generic method. In the example, the following code is used with a type constraint to ensure "U" is an IEnumerable<T> . ...
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MySQL复制的概述、安装、故障、技巧、工具 - 数据库(内核) - 清泛网 - 专注...

...用如下命令查看: mysql> SHOW SLAVE STATUS; Master_Log_File & Read_Master_Log_Pos:下一个传输的主日志信息。 Relay_Master_Log_File & Exec_Master_Log_Pos:下一个执行的主日志信息。 Relay_Log_File & Relay_Log_Pos:下一个执行的中继日志信息。 理...