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PostgreSQL: How to pass parameters from command line?
...
You can use the -v construct e.g
psql -v v1=12 -v v2="'Hello World'" -v v3="'2010-11-12'"
and then refer to the variables in sql as :v1, :v2 etc
select * from table_1 where id = :v1;
Please pay attention on how we pass string/date value using two quotes " '...' "
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App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 UrsAI2UDP 拓展 - UDP广播...
ContinuousSpeech 连续语音识别扩展：持续语音识别无需重复启动 · App Inventor 2 中文网
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
How to download a Nuget package without nuget.exe or Visual Studio extension?
... guess the URL. They have the following format:
https://www.nuget.org/api/v2/package/{packageID}/{packageVersion}
Then simply unzip the .nupkg file and extract the contents you need.
share
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impr...
ComponentGroup 组件组扩展：监控内容变化和批量启用禁用组件 · App Inventor 2 中文网
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
Logical operator in a handlebars.js {{#if}} conditional
...ho developed Handlebars.
Handlebars.registerHelper('ifCond', function(v1, v2, options) {
if(v1 === v2) {
return options.fn(this);
}
return options.inverse(this);
});
You can then call the helper in the template like this
{{#ifCond v1 v2}}
{{v1}} is equal to {{v2}}
{{else}}
{{v1...
How can query string parameters be forwarded through a proxy_pass with nginx?
...en "&";
}
location /test {
set $args "${args}${token}k1=v1&k2=v2"; # update original append custom params with $token
# if no args $is_args is empty str,else it's "?"
# http is scheme
# service is upstream server
#proxy_pass http://service/$uri$is_args$args; # deprecated...
How do I import a specific version of a package using go get?
...s, without actually creating repos. E.g. gopkg.in/yaml.v1 vs gopkg.in/yaml.v2, even though they both live at https://github.com/go-yaml/yaml
gopkg.in/yaml.v1 redirects to https://github.com/go-yaml/yaml/tree/v1
gopkg.in/yaml.v2 redirects to https://github.com/go-yaml/yaml/tree/v2
This isn't perf...
GestureDetect 扩展：手势检测扩展，识别滑动、点击和长按手势 · App Inventor 2 中文网
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
Difference between String#equals and String#contentEquals methods
...nstanceof AbstractStringBuilder) {
char v1[] = value;
char v2[] = ((AbstractStringBuilder) cs).getValue();
int i = 0;
int n = value.length;
while (n-- != 0) {
if (v1[i] != v2[i])
return false;
i++;
}
retu...