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Apply function to all elements of collection through LINQ [duplicate]

...angerous is using shared stated between multiple threads and then that the cast of "i as string" is the possible cause passing in a null key. Care to share a more complete sample of your code for feedback on how to improve? – Jaans Dec 24 '15 at 6:09 ...
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How to create index on JSON field in Postgres?

...to do integer comparisons instead of string comparisons, you have to add a cast: ((info->>'name')::INT). – jpmc26 Oct 6 '15 at 19:44 13 ...
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How do you tell if caps lock is on using JavaScript?

...s/edit?js,output Also, here is a modified version (can someone test on mac and confirm) NEW VERSION: https://jsbin.com/xiconuv/edit?js,output NEW VERSION: function isCapslock(e) { const IS_MAC = /Mac/.test(navigator.platform); const charCode = e.charCode; const shiftKey = e.shiftKey; if (...
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How to read and write excel file

... in fact, just remove the (short) cast poi.apache.org/apidocs/org/apache/poi/hssf/usermodel/… – nicolallias Dec 23 '14 at 14:18 1 ...
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How to round a number to significant figures in Python

...Wow, your answer needs to be really read from top to bottom ;) This double-cast trick is dirty, but neat. (Note that 1999 formatted as 2000.0 suggests 5 significant digits, so it has to go through {:g} again.) In general, integers with trailing zeros are ambiguous with regard to significant figures,...
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Check if a program exists from a Makefile

... Sometimes you need a Makefile to be able to run on different target OS's and you want the build to fail early if a required executable is not in PATH rather than to run for a possibly long time before failing. The excellent solution provided by engineerchuan requires making a target. However, if ...
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How to do a regular expression replace in MySQL?

...t and I don't know if you have a multibyte charset as your default: select cast( T.R as char) COLLATE utf8_unicode_ci from (select preg_replace('/ä/', '', 'öõüä') R ) T – gillyspy Feb 9 '14 at 19:46 ...
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

... ## ## IMPORTANT NOTE: This file contains plain text passwords and ## ## should be secured to have read permission only by oracle user ## ## or db administrator who owns this installation. ## ##对整个文件的说明,该文件包含参数说明,静默文件中...
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Is there a way to loop through a table variable in TSQL without using a cursor?

... UserIDs where USERID= @CustID --get other info from that row print cast(@RowNum as char(12)) + ' ' + @CustId + ' ' + @Name1 --do whatever select top 1 @CustId=USERID from UserIDs where USERID < @CustID order by USERID desc--get the next one set @RowNum = @RowNum - 1 ...
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Is if(items != null) superfluous before foreach(T item in items)?

... It is not superflous. At runtime items will be casted to an IEnumerable and its GetEnumerator method will be called. That will cause a dereferencing of items that will fail share | ...