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Proper use of errors
...
Simple solution to emit and show message by Exception.
try {
throw new TypeError("Error message");
}
catch (e){
console.log((<Error>e).message);//conversion to Error type
}
Caution
Above is not a solution if we don't know what kind of error can be emit...
Occurrences of substring in a string
...ould never be at -1, so there would be an infinite loop. This can be fixed by moving the last line of code into the if block.
String str = "helloslkhellodjladfjhello";
String findStr = "hello";
int lastIndex = 0;
int count = 0;
while(lastIndex != -1){
lastIndex = str.indexOf(findStr,lastIndex...
get client time zone from browser [duplicate]
...se Intl.DateTimeFormat().resolvedOptions().timeZone (no IE11) as suggested by Wallace.
– Code4R7
Jul 12 '18 at 17:48
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Why do I get a warning every time I use malloc?
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You don't explicitly declare it and
There already is a built-in function by that name which has a different signature than the one that was implicitly declared (when a function is declared implicitly, its return and argument types are assumed to be int, which isn't compatible with the built-in mal...
Temporarily switch working copy to a specific Git commit
... go ahead and git checkout commit_hash. Then you can return to your branch by git checkout mybranch. I had the same game bisecting a bug today :) Also, you should know about git bisect.
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impr...
How different is Objective-C from C++? [closed]
... dispatch, whereas C++ uses static dispatch. In other words, code compiled by an Objective-C compiler will have the class responsible for responding to a message determined at runtime; code compiled by a C++ compiler have this information calculated and compiled-in at compiletime.
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Sometimes adding a WCF Service Reference generates an empty reference.cs
...7733.aspx
Once you run svcutil, you should see the exception being thrown by the import. You may receive this type of message about one of your types: "referenced type cannot be used since it does not match imported DataContract".
This could simply be as specified in that there is a difference in...
Linux find file names with given string
...More detail here: https://medium.com/@thucnc/the-fastest-way-to-find-files-by-filename-mlocate-locate-commands-55bf40b297ab
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follow
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src/lxml/etree_defs.h:9:31: fatal error: libxml/xmlversion.h: No such file or directory
... 2.9.0+dfsg1-4ubuntu4.3 you need to downgrade it to 2.9.0+dfsg1-4ubuntu4.1 by typing the command sudo apt-get install libxml2=2.9.0+dfsg1-4ubuntu4.1 otherwise the libxml2-dev wont be installed due version dependency.
– Ghassen Telmoudi
Sep 17 '13 at 8:58
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Eclipse and Windows newlines
...t Line Delimiters to : Unix
Tip: You can easily convert existing file by selecting then in the Package Explorer, and then going to the menu entry File : Convert Line Delimiters to : Unix
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