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Why does C# have break if it's not optional? [duplicate]
...e initial development phase into a maintenance phase, the code above can lead to subtle errors that are very hard to debug. These errors result from the very common mistake of the developer adding a case, yet forgetting to put a break at the end of the block.
In C#, the switch statement requires th...
How can I undo a `git commit` locally and on a remote after `git push`
...
git reset --hard HEAD~1
git push -f <remote> <branch>
(Example push: git push -f origin bugfix/bug123)
This will undo the last commit and push the updated history to the remote. You need to pass the -f because you're replacing up...
AngularJS passing data to $http.get request
...ET request can't contain data to be posted to the server. However, you can add a query string to the request.
angular.http provides an option for it called params.
$http({
url: user.details_path,
method: "GET",
params: {user_id: user.id}
});
See: http://docs.angularjs.org/api/ng.$...
Given a class, see if instance has method (Ruby)
...ONLY methods that you defined explicitly with:
def my_method
end
then read this:
In Ruby, a property (attribute) on your model is basically a method also. So method_defined? will also return true for properties, not just methods.
For example:
Given an instance of a class that has a String attr...
A CSS selector to get last visible div
...
Eric Caron
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answered Mar 11 '11 at 15:53
Surreal DreamsSurreal Dreams
...
How to wait for async method to complete?
...
Avoid async void. Have your methods return Task instead of void. Then you can await them.
Like this:
private async Task RequestToSendOutputReport(List<byte[]> byteArrays)
{
foreach (byte[] b in byteArrays)
{
while (condition)
{
// we'...
Syntax highlighting/colorizing cat
...se the colour based on the file type (you can use something like this instead of invoking cat directly):
#!/bin/bash
fileType="$(file "$1" | grep -o 'text')"
if [ "$fileType" == 'text' ]; then
echo -en "\033[1m"
else
echo -en "\033[31m"
fi
cat $1
echo -en "\033[0m"
The above (on a termina...
Drop all tables whose names begin with a certain string
...eaner than using a two-step approach of generate script plus run. But one advantage of the script generation is that it gives you the chance to review the entirety of what's going to be run before it's actually run.
I know that if I were going to do this against a production database, I'd be as ca...
How do I format a string using a dictionary in python-3.x?
I am a big fan of using dictionaries to format strings. It helps me read the string format I am using as well as let me take advantage of existing dictionaries. For example:
...
How to replace a hash key with another key
...
gayavatgayavat
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8
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