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xxx.sh: line x: [0: command not found - 更多技术 - 清泛网 - 专注C/C++及内核技术
xxx.sh: line x: [0: command not found由于if [后面没有加空格导致的。if [ xxx ] 表达式前后都要有空格。由于if [ 后面没有加空格导致的。
if [ xxx ] 表达式前后都要有空格。command not found
Discuz X 首页白板解决之道 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Discuz X 首页白板解决之道1、开启Debug,及url后面跟 &debug=yes,也是网上最多的方法,但可能往往没有效果。2、排除法,代码一段段的排查,在合适位置打印特定内容然后exit(0);查看结果,分析出现问题的 1、开启Debug,及url后面...
Programmatically update widget from activity/service/receiver
...sed it to start failing. This method (of directly updating the fields manually) works better. For my purposes, at least.
– durbnpoisn
Apr 26 '14 at 11:35
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How can I format my grep output to show line numbers at the end of the line, and also the hit count?
... sometimes man page can take many pages. And this is hard to read all of them
– Eugen Konkov
May 22 '18 at 13:44
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Difference between DirectCast() and CType() in VB.NET
... convert a string to an integer. It has as much power as calling Convert.To___() in C#, where the ___ is the target type of your cast.
This is desirable because it's very powerful. However, this power comes at the cost of performance; it's not as fast as DirectCast() or C#'s cast operator because i...
How to parse unix timestamp to time.Time
...ut:
2014-07-16 20:55:46 +0000 UTC
Playground: http://play.golang.org/p/v_j6UIro7a
Edit:
Changed from strconv.Atoi to strconv.ParseInt to avoid int overflows on 32 bit systems.
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right click context menu for datagridview
...text Menu key).
Cell selection on right mouse click has to be handled manually. Showing the context menu does not need to be handled as this is handled by the UI.
This completely mimics the approach used by Microsoft Excel. If a cell is part of a selected range, the cell selection doesn't change a...
MySQL - Rows to Columns
... only found solutions for SQL Server/Access. I need a solution in MySQL (5.X).
12 Answers
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Can I incorporate both SignalR and a RESTful API?
... of the web methods to be push based, using the SignalR library. This really sped up the page considerably and reduced a lot of the server calls from the page.
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Ignore outliers in ggplot2 boxplot
How would I ignore outliers in ggplot2 boxplot? I don't simply want them to disappear (i.e. outlier.size=0), but I want them to be ignored such that the y axis scales to show 1st/3rd percentile. My outliers are causing the "box" to shrink so small its practically a line. Are there some techniques...
