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In Bash, how do I add a string after each line in a file?
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Could you please explain what the $ sign does in your answer? Answers are more helpful if you understand what is happening.
– shuhalo
Sep 23 '19 at 22:24
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How to clear a chart from a canvas so that hover events cannot be triggered?
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.destroy() should work fine. If it does't, after calling .destroy() to draw new chart, use setTimeout()
– Sumeet Kale
Nov 2 '18 at 12:01
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Why can't I reference my class library?
...l clue which left us wondering for a while: The type or namespace name 'A' does not exist in the namespace 'B'. Note that no warnings come up for this...
– Jonno
Mar 26 '12 at 8:13
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Returning a boolean from a Bash function
... For better readability you can use the 'true' command (which does nothing and completes successfully, i.e. returns 0) and 'false' command (which does nothing and completes unsuccessfully, i.e. returns a non-zero value). Also, a function that ends without an explicit return statement re...
IBOutlet and IBAction
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Just to clarify, since my post was edited, IBOutlet does not resolve to id. Consider this: IBOutlet UILabel *nameLabel; - if IBOutlet resolved to id, then that code would read id UIlabel *namelabel; which produces a compiler error. As I originally stated, IBOutlet resolves to ...
filename and line number of python script
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Does using this method have any performance impact (like minor increase in run time or more CPU needed ) ?
– gsinha
Dec 14 '14 at 5:41
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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
... it also means that you cannot invoke the function multiple times since it doesn't have a name, but since this function is only meant to be executed once it really isn't an issue).
The neat thing with IIFEs is that you can also define things inside and only expose the parts that you want to the out...
In vim, how do I get a file to open at the same line number I closed it at last time?
...e("'\"") <= line("$")
\| exe "normal! g'\"" | endif
endif
If this doesn't work, a common problem is not having ownership of your ~/.viminfo file. If this is the case, then run:
sudo chown user:group ~/.viminfo
where user is your username and group is often the same as your username.
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Disable browser's back button
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Note that making the page un-cacheable does not achieve what the OP wanted: to disable visiting pages using the back button. Even if a browser obeys no-cache when using the back button (which browsers are not obliged to do AFAIK) they still provide a way to reloa...
getting the ng-object selected with ng-change
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Does this work without specifying a model? I get this error: Controller 'ngModel', required by directive 'select', can't be found!
– fer
Mar 29 '14 at 10:30
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