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What does default(object); do in C#?
... value
For Nullable<T> it returns the empty (pseudo-null) value (actually, this is a re-statement of the first bullet, but it is worth making it explicit)
The biggest use of default(T) is in generics, and things like the Try... pattern:
bool TryGetValue(out T value) {
if(NoDataIsAvailab...
Python Mocking a function from an imported module
...nt of the original 'get_user_name' function with the mocked one. This will allow you to control when the function is replaced and when it isn't. Also, this will allow you to make several replacements in the same test. In order to do so, use the 'with' statment in a pretty simillar manner:
from mock...
Reload the path in PowerShell
If I have an instance of PowerShell ISE running and I install something that modifies the PATH or I modify it in any way outside of PowerShell then I need to restart PowerShell for it to see the updated PATH variable.
...
How to concatenate two IEnumerable into a new IEnumerable?
... the names of actions you want to perform are likely close if not exactly called what you are after. Always browse IntelliSense, you learn a lot.
– Adam Houldsworth
Jan 31 '14 at 11:02
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Android studio: why are minSdkVersion and targetSdkVersion specified both in AndroidManifest.xml and
...ties and generate another apk.
You can leave the manifest as it is and do all configuration in build.gradle. You can safely remove
<uses-sdk></uses-sdk>
from manifest as well as version codes.
share
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Git: Create a branch from unstaged/uncommitted changes on master
...tatus still show your local changes, although you are on master.
If you really want to discard the local changes, you have to force the checkout with -f.
git checkout master -f
Since your changes were never committed, you'd lose them.
Try to get back to your branch, commit your changes, then ch...
Escape single quote character for use in an SQLite query
...
for replace all (') in your string, use
.replace(/\'/g,"''")
example:
sample = "St. Mary's and St. John's";
escapedSample = sample.replace(/\'/g,"''")
sha...
How to close IPython Notebook properly?
...desktop application which can show running servers and shut them down.
Finally, we are working on adding:
A config option to automatically shut down the server if you don't use it for a specified time.
A button in the user interface to shut the server down. (We know it's a bit crazy that it has t...
Intercepting links from the browser to open my Android app
...pp to open a link when user clicks on an URL of a given pattern instead of allowing the browser to open it. This could be when the user is on a web page in the browser or in an email client or within a WebView in a freshly-minted app.
...
T-SQL get SELECTed value of stored procedure
In T-SQL, this is allowed:
4 Answers
4
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