大约有 44,000 项符合查询结果（耗时：0.0479秒） [XML]
Generate unique random numbers between 1 and 100
...ow can I generate some unique random numbers between 1 and 100 using JavaScript?
29 Answers
...
Can someone explain the right way to use SBT?
...
The way I use sbt is:
Use sbt-extras - just get the shell script and add it to the root of you project
Create a project folder with a MyProject.scala file for setting up sbt. I much prefer this over the build.sbt approach - it's scala and is more flexible
Create a project/plugins.sb...
Debugging “Element is not clickable at point” error
...owing 3 types:
1.The element is not visible to click.
Use Actions or JavascriptExecutor for making it to click.
By Actions:
WebElement element = driver.findElement(By("element_path"));
Actions actions = new Actions(driver);
actions.moveToElement(element).click().perform();
By JavascriptExecu...
SQLAlchemy default DateTime
...as part of the CREATE TABLE statement.
For example, if you write an ad hoc script against this table, using server_default means you won't need to worry about manually adding a timestamp call to your script--the database will set it automatically.
Understanding SQLAlchemy's onupdate/server_onupdate
...
How to prevent ENTER keypress to submit a web form?
...onsubmit="return false;">
or if you want a handler in the middle
<script>
var submitHandler = function() {
// do stuff
return false;
}
</script>
<form onsubmit="return submitHandler()">
share
...
What Computer Science concepts should I know? [closed]
...able to produce sensible OO designs as well as understanding the concepts.
Scripting and regexes.
Data structures -- lists, sets, hashtables, trees, graphs, and so on -- as well as Big O notation and algorithmic complexity.
Bits, bytes and binary numbers -- how numbers are represented within the com...
Get program execution time in the shell
...
#!/bin/bash
START=$(date +%s)
# do something
# start your script work here
ls -R /etc > /tmp/x
rm -f /tmp/x
# your logic ends here
END=$(date +%s)
DIFF=$(( $END - $START ))
echo "It took $DIFF seconds"
s...
How can I handle the warning of file_get_contents() function in PHP?
...ses E_WARNING to be caught by some global (not mine) error handler, and my script dies before I have a chance to handle the return value. Any ideas? tnx.
– Sagi Mann
Nov 22 '12 at 6:51
...
Formatting Decimal places in R
...
Is there any way to set this dynamically when running a script?
– Brandon Bertelsen
Aug 9 '10 at 20:23
...
Open multiple Eclipse workspaces on the Mac
...is easily the way to go. If you always start multiple instances you could script that into the CLI. But if it's just on occasion you start another instance, this is the way to go.
– Bane
May 28 '14 at 16:14
...