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Method call if not null in C#
...void SafeInvoke(this Action action) {
if(action != null) action();
}
now this is valid:
Action act = null;
act.SafeInvoke(); // does nothing
act = delegate {Console.WriteLine("hi");}
act.SafeInvoke(); // writes "hi"
In the case of events, this has the advantage of also removing the race-con...
Check if a temporary table exists and delete if it exists before creating a temporary table
...olumn later, it will give an error saying "invalid column". Please let me know what I am doing wrong.
15 Answers
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Stop form refreshing page on submit
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Super old thread, but for anybody who comes across this now, please do not try action="#" because it does not work and is not an appropriate solution. The key is actually onsubmit="yourJsFunction();return false"
– Jeff
Nov 9 '19 at 21:04
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How do I print debug messages in the Google Chrome JavaScript Console?
...like if (!window.console) { and then put everything inside brackets? Right now you're evaluating the same stuff four times.
– Dan Rosenstark
Sep 19 '11 at 16:33
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How do you run JavaScript script through the Terminal?
...owser global vars which helps a lot, though I can't find the docs for this now.)
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Can I change the size of UIActivityIndicator?
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I love the one line solutions for simple matters! Now the only issue is how to anti alias it. At twice the size it looks a bit rough on Apple TV
– Michele Dall'Agata
Jul 29 '18 at 8:08
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How do I run a Java program from the command line on Windows?
... saved your file as A.text first thing you should do is save it as A.java. Now it is a Java file.
Now you need to open cmd and set path to you A.java file before compile it. you can refer this for that.
Then you can compile your file using command
javac A.java
Then run it using
java A
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Copying data from one SQLite database to another
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2 AM /mnt/fastaccessDS/core/csv/allmsa.db
now you come to your actual target. Use the command
INSERT INTO atlanta SELECT * FROM AM.atlanta;
This should serve your purpose.
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How to change folder with git bash?
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Is there a way to save long directories? I know cd $USER will bring me to my users directory on windows.
– meiryo
Aug 3 '13 at 16:14
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How to show current time in JavaScript in the format HH:MM:SS?
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You can use moment.js to do this.
var now = new moment();
console.log(now.format("HH:mm:ss"));
Outputs:
16:30:03
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