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How to store a command in a variable in a shell script?
... later
stored_date=$(eval "date")
echo $stored_date
# => Thu Jan 15 11:05:30 EST 2015
# (wait a few seconds)
echo $stored_date
# => Thu Jan 15 11:05:30 EST 2015
Using eval, it is evaluated when eval is used
stored_date="date" # < storing the command itself
echo $(eval "$stored_date")
# ...
Disabling Strict Standards in PHP 5.4
...combines E_ALL and E_STRICT , which means that my previous setting for error_reporting does not work now. My previous value was E_ALL & ~E_NOTICE & ~E_STRICT Should I just enable values one at a time?
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Why does cURL return error “(23) Failed writing body”?
...am from curl. cURL doesn't expect this and emits the "Failed writing body" error.
A workaround is to pipe the stream through an intermediary program that always reads the whole page before feeding it to the next program.
E.g.
curl "url" | tac | tac | grep -qs foo
tac is a simple Unix program th...
How to get users to read error messages?
... high risk that users will not read your carefully worded and enlightening error messages, but just click on the first button available with a shrug of frustration.
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Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
... answer sounds reasonable, it did not work for me. I kept getting the same error messages. What helped, was to remove the svn:mergeinfo properties from the listed files, just like the accepted answer is suggesting.
– Jenny O'Reilly
Apr 21 '15 at 11:59
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How to create a unique index on a NULL column?
... index like that, make sure that ANSI_NULLS is ON, otherwise you'll get an error when trying to insert data.
– Arne
Oct 1 '12 at 7:35
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How can I stop a Postgres script when it encounters an error?
...cify that when executing a sql script it stops when encountering the first error on the script, it usually continues, regardless of previous errors.
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What is the best IDE to develop Android apps in? [closed]
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answered Nov 11 '09 at 15:05
Pierre-Antoine LaFayettePierre-Antoine LaFayette
22.7k88 gold badges4949 silver badges5757 bronze badges
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error C2143:语法错误 : 缺少“;”(在“*”的前面) error C4430:缺少类型说...
error C2143:语法错误 : 缺少“;”(在“*”的前面) error C4430:缺少类型说明符 - 假定为 int。注意: C++ 不支持默认 int1>d: xxx childfrm.h(73): error C2143: 语法错误 : 缺少;(在*的前面)1>d: xxx childfrm.h(73): error C4430: 缺少类型说明符 - ...1>d:\xxx\ch...
Dealing with nginx 400 “The plain HTTP request was sent to HTTPS port” error
...ally but http yields a 400 "The plain HTTP request was sent to HTTPS port" error. This is for a static page so I'm guessing Sinatra has nothing to do with this. Any ideas on how to fix this?
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