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How to open a specific port such as 9090 in Google Compute Engine

... ERROR: (gcloud.compute.firewall-rules.create) Could not fetch resource: - Insufficient Permission @modulitos – alper Mar 6 '18 at 8:53 ...
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Max or Default?

...nce DefaultIfEmpty isn't implemented in LINQ to SQL, I did a search on the error it returned and found a fascinating article that deals with null sets in aggregate functions. To summarize what I found, you can get around this limitation by casting to a nullable within your select. My VB is a little ...
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Disable output buffering

...ad just call: # sys.stdout.reconfigure(line_buffering=True) except TypeError: # Python 2 sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0) Credits: "Sebastian", somewhere on the Python mailing list. share ...
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Constant pointer vs Pointer to constant [duplicate]

...pointer constant_pointer.c: In function ‘main’: constant_pointer.c:13: error: increment of read-only variable ‘ptr’ Hence we see very clearly above that compiler complains that we cannot changes the address held by a constant pointer. Pointer to Constants #include<stdio.h> int mai...
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What does `kill -0 $pid` in a shell script do?

...pages: kill(1) $ man 1 kill ... If sig is 0, then no signal is sent, but error checking is still performed. ... kill(2) $ man 2 kill ... If sig is 0, then no signal is sent, but error checking is still performed; this can be used to check for the existence of a process ID or process group ID. ...
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ASP.NET MS11-100: how can I change the limit on the maximum number of posted form values?

...t contain these many form field. But we had a very valid scenario for this error - Shopping cart in one of our client's eCommerce site had a lot of items and we had this error logged when she was accessing the page. In such cases, overriding the max value is the best option. – ...
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Footnotes for tables in LaTeX

When I do \footnote{} for a value in a table, the footnote doesn't show up. How do I get it to show up? Also, is it possible to get it to show up at the bottom of the table rather than the bottom of the page? ...
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How to apply shell command to each line of a command output?

Suppose I have some output from a command (such as ls -1 ): 8 Answers 8 ...
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不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...个别名,编号和别名的对应关系在linux下放在/etc/iproute2/rt_tables这个文件里,一般0编号 的table对应的别名为upspec,255编号对应的别名为local,254和253对应的别名分别为main和default,我们通常用route命令配置和查看的路由表信息为别...
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How to make a SPA SEO crawlable?

... So in web.config I add the following line to redirect these to a specific error handling controller: <customErrors mode="On" defaultRedirect="Error"> <error statusCode="404" redirect="Error" /> </customErrors><br/> Now, this transforms the URL to something like: http:...