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How to make an ng-click event conditional?
...p;&, although it works in your plunk, if isDisabled is a method double pipes keep on checking for a valid expression. This is not the case with &&
– polyclick
Apr 15 '14 at 12:38
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Order data frame rows according to vector with specific order
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And with pipe syntax: df %>% right_join(tibble(name = target), by = "name")
– Frank
Aug 17 '18 at 18:51
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Bash if statement with multiple conditions throws an error
...ks whether the specified variables were set.
As the script shows, you can pipe them with -a, e.g.:
if [ -z "$MYSQL_ROOT_PASSWORD" -a -z "$MYSQL_ALLOW_EMPTY_PASSWORD" -a -z "$MYSQL_RANDOM_ROOT_PASSWORD" ]; then
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fi
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How do you get the list of targets in a makefile?
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Running make list then prints all targets, each on its own line; you can pipe to xargs to create a space-separated list instead.
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How to hide command output in Bash
...have almost exactly the same way, except that unless you involve them in a pipe the braces will not create a subshell and thus will allow you to set variables inside.
{
/your/first/command
/your/second/command
} &> /dev/null
See the bash manual on redirections for more details, options...
What is time_t ultimately a typedef to?
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No need for the pipe from echo either: gcc -E -xc -include time.h /dev/null | grep time_t
– rvighne
Nov 25 '19 at 18:58
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How should I escape commas and speech marks in CSV files so they work in Excel?
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Even after double quotes, I had this problem for a few days.
Replaced Pipe Delimiter with Comma, then things worked fine.
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How to generate an openSSL key using a passphrase from the command line?
...t:
openssl genrsa -aes128 -passout stdin 3072
You can also used a named pipe with the file: option, or a file descriptor.
To then obtain the matching public key, you need to use openssl rsa, supplying the same passphrase with the -passin parameter as was used to encrypt the private key:
opens...
ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
...致性和正确性，如果使用 HTTP，由于他的无状态性，我们无法保证信息的一致性，当然，你可以使用 HTTP 来实现，只是更复杂，为什么不用 ZMQ？他能让你更简单的实现这些功能。
我们使用 ZMQ 的信息订阅模式。在那个模式中，...
Aliases in Windows command prompt
...ne. They can't be used generically as commands, e.g. not in batch files or piped into.
– Eryk Sun
Aug 2 '15 at 9:31
Hi...