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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...
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...
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...
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...
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...
