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Formatting a float to 2 decimal places
...rpolated strings. I'm actually posting this because I'm tired of trial and error and eventually scrolling through tons of docs every time I need to format some scalar.
$"{1234.5678:0.00}" "1234.57" 2 decimal places, notice that value is rounded
$"{1234.5678,10:0.00}" " 1234.57" ...
Open firewall port on CentOS 7
...on needs to be the first option for all permanent calls. I didn't get any error using the above, but I'm not sure if this may cause issues to someone else.
– Marc
Oct 19 '16 at 23:21
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Why does Eclipse automatically add appcompat v7 library support whenever I create a new project?
...quit patching and patching and patching, all these bunch of supportLibrary errors and versions are driving us nuts.
– Josh
Jul 20 '15 at 9:44
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Android studio add external project to build.gradle
...ect(':android-common-lib')
}
This seems to work. It didn't even throw an error for multiple DEX files defining the api library, I suspect because it was all part of the same build process and Gradle was smart enough to figure it all out.
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Convert string to nullable type (int, double, etc…)
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I don't think ignoring all conversion errors is the right thing to do. Also you should probably not swallow all kinds of exceptions. At least re-throw OutOfMemoryException if you cannot narrow it down to a fixed set of exception types.
– Pau...
Unique constraint that allows empty values in MySQL
...reates a constraint such that all values in the index must be distinct. An error occurs if you try to add a new row with a key value that matches an existing row. For all engines, a UNIQUE index allows multiple NULL values for columns that can contain NULL.
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Reset push notification settings for app
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When I try this in the simulator, I'm getting the error Code=3010 "remote notifications are not supported in the simulator"
– Thomas Zimmer
Aug 11 '15 at 13:42
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Find object by id in an array of JavaScript objects
...@Shaggy if the .find() returns undefined, then your optimization throws an error. So this solution is can be used only in cases where a match is guaranteed.
– Herbert Peters
Apr 3 '18 at 0:57
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submitting a GET form with query string params and hidden params disappear
...ry string and in hidden inputs, what can I do?" What you can do is fix the error. Not to be snide, but this is a little like asking, "But lets say my URL uses percent signs instead of slashes, what can I do?" The only possible answer is, you can fix the URL.
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GCC dump preprocessor defines
...dding a g++-specific command line option like (-std=c++11) which emits the error message cc1: warning: command line option ‘-std=c++11’ is valid for C++/ObjC++ but not for C.
Because (the non C++) gcc will never support "Templates Aliases" (see http://www.open-std.org/jtc1/sc22/wg21/docs/papers...