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git: abort commit in the middle of typing message
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The -F /path/to/file will populate the editor with any given content from /path/to/file. However, by default this would instantly perform the commit, unless you provide the -e flag additionally for editing.
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Why does an overridden function in the derived class hide other overloads of the base class?
...y know that in C++ overload resolution works by choosing the best function from the set of candidates. This is done by matching the types of arguments to the types of parameters. The matching rules could be complicated at times, and often lead to results that might be perceived as illogical by an un...
What is the boundary in multipart/form-data?
...S-ASCII charset will be used in the payload data.
A few relevant excerpts from the RFC2046:
4.1.2. Charset Parameter:
Unlike some other parameter values, the values of the charset parameter are NOT case sensitive. The default character set, which must be assumed in the absence of a charset p...
Python JSON serialize a Decimal object
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Works in python3
– SeanFromIT
Jun 7 '18 at 16:10
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How to check if a specified key exists in a given S3 bucket using Java
...GetObject access will not work. The reason being, Amazon will prevent you from checking for the presence of the key if you dont have ListBucket access. Just knowing whether a key is present or not, will also suffice for malicious users in some cases. Hence unless they have ListBucket access they wi...
Understanding reference counting with Cocoa and Objective-C
...n that object's memory is freed by the system.
The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory they were using. Assuming everyone is playing along and retaining/releasing according t...
Common MySQL fields and their appropriate data types
... name/last name fields should be at least 48 characters -- there are names from some countries such as Malaysia or India that are very long in their full form.
Phone numbers and postcodes you should always treat as text, not numbers. The normal reason given is that there are postcodes that begin wi...
Understanding the transclude option of directive definition?
...ing called transclusion. The concept is pretty simple: Include the content from one place into another. So now your directive will look something like this:
app.directive('myDirective', function(){
return{
transclude: true,
template: '<div class="something"> This is my dir...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
... really care to argue with you, but JSONP uses script tags to pull in data from another domain and then sends the result to a callback function. It's a lot harder if the result isn't json.
– jgitter
Feb 14 '14 at 15:40
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Will using 'var' affect performance?
...n IList<int>, that is how the compiler will build the bar3 variable.
From a performance standpoint, mostly you won't notice. However, there are situations where the performance of the third line may not be quite as fast as the performance of the first. As you continue to use the bar3 variable,...