大约有 30,000 项符合查询结果(耗时:0.0393秒) [XML]
Open new Terminal Tab from command line (Mac OS X)
... if the path is coming from a variable, you'll need to use a double-quoted string instead of single-quoted, and escape the inner quoted string, and probably the path itself.
– Gordon Davisson
Dec 23 '18 at 6:02
...
Measure the time it takes to execute a t-sql query
... looked for Sql Profiler doc on how to do this but couldn't find doc that didn't require hours of reading. Can you recommend a "Profiler for Dummies" link?
– TheMoot
Jul 26 '12 at 18:05
...
How to find Unused Amazon EC2 Security groups
... find a way to determine orphan security groups so I can clean up and get rid of them. Does anyone know of a way to discover unused security groups.
...
Pandas: Setting no. of max rows
...y sets the options inside of a block of code. Pass in the option name as a string followed by the value you want it to be. You may pass in any number of options in the same line:
with pd.option_context('display.max_rows', 100, 'display.max_columns', 10):
some pandas stuff
You can also reset a...
Capture screenshot of active window?
... Default is PNG</param>
public static void CaptureAndSave(string filename, CaptureMode mode = CaptureMode.Window, ImageFormat format = null) {
ImageSave(filename, format, Capture(mode));
}
/// <summary> Capture a specific window (or control...
Override Java System.currentTimeMillis for testing time sensitive code
...DateTime zdt = ZonedDateTime.now( clockEarliestXmasThisYear );
instant.toString(): 2016-12-24T10:00:00Z
zdt.toString(): 2016-12-25T00:00+14:00[Pacific/Kiritimati]
See live code in IdeOne.com.
True time, different time zone
You can control which time zone is assigned by the Clock implementation....
MQTT物联网协议完全实践指南 · App Inventor 2 中文网
...践
主题命名规范:
{namespace}/{device_type}/{device_id}/{attribute}/{action}
示例:
home/thermostat/livingroom/temperature/set
office/light/meeting_room/brightness/get
factory/sensor/machine_001/status/online
通配符使用规则:
// 单级通配符匹配
call UrsPahoM...
PostgreSQL: Show tables in PostgreSQL
...
Not exactly standard sql, cannot use "||" to concatenate strings on mssql
– ChRoNoN
Apr 8 '19 at 20:06
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How to execute shell command in Javascript
...process';
/**
* Execute simple shell command (async wrapper).
* @param {String} cmd
* @return {Object} { stdout: String, stderr: String }
*/
async function sh(cmd) {
return new Promise(function (resolve, reject) {
exec(cmd, (err, stdout, stderr) => {
if (err) {
reject(err...
What is the idiomatic way to compose a URL or URI in Java?
... official tutorial:
public class HttpClientTest {
public static void main(String[] args) throws URISyntaxException {
List<NameValuePair> qparams = new ArrayList<NameValuePair>();
qparams.add(new BasicNameValuePair("q", "httpclient"));
qparams.add(new BasicNameValuePair("btnG...
