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Most efficient way to create a zero filled JavaScript array?
...an array for us, which is then map()ped to the values we want. Breaking it down in steps:
> "?".repeat(10)
< "??????????"
> "?".repeat(10).split("")
< ["?", "?", "?", "?", "?", "?", "?", "?", "?", "?"]
> "?".repeat(10).split("").map(() => Math.floor(10 * Math.random()))
< [5,...
How To: Execute command line in C#, get STD OUT results
...s to stderr, it will happen eventually. This is tricky to debug and track down.
There are a couple good ways to deal with this.
One way is to execute cmd.exe instead of your program and use the /c argument to cmd.exe to invoke your program along with the "2>&1" argument to cmd.exe to tell...
Is there an eval() function in Java? [duplicate]
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The link is down.
– andrewgazelka
Jul 25 '18 at 2:20
1
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Checkout old commit and make it a new commit [duplicate]
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Vote down. 1. the question explicitly asks for keeping older commits, so that might be a reason why other answers attempt to do that. 2. as you said, the commits might have been published and there's no need to introduce comments ...
Remove All Event Listeners of Specific Type
...in true for the third parameter causes the event to be captured on the way down. Stopping propagation means that the event never reaches the listeners that are listening for it.
Keep in mind though that this has very limited use as you can't add new listeners for the given type (they will all be blo...
Spring @Transactional - isolation, propagation
... REQUIRES_NEW and moreover chances are it throws an exception (SMTP server down ,invalid e-mail or other reasons).You probably don't want the whole process to roll-back, like removing the user information from database or other things; therefore you call the second service in a separate transaction....
How to resolve “Waiting for Debugger” message?
...". Finally fixed it by disconnecting the USB cable and powering the device down and up again.
– RenniePet
Oct 22 '14 at 22:52
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The new syntax “= default” in C++11
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However, this attempt to treat empty function bodies as "default" breaks down entirely for other types of member functions. Consider the copy constructor:
struct S {
int a;
S() {}
S(const S&) {} // legal, but semantically wrong
};
In the above case, the copy constructor written wit...
Difference between freeze and seal
... @AlanDong A bit late in coming, but here is why you want to lock down an object.One of JavaScript’s features is that you can add a property any time you like; you can also do this accidentally by mis-typing. Many of my students have tried to add an event handler called onClick or onlick ...
How to use ELMAH to manually log errors
...rLog.Log(): it throws in case the log call itself fails, possibly bringing down the whole web app. Raise() fails silently. For instance: if there is a misconfiguration issue on the server-side (e.g. Elmah is configured to save the errors to disk, but does not have the correct access to the logs fold...