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Wrap a delegate in an IEqualityComparer
...e hashing behind the scenes (e.g., LINQ's GroupBy, Distinct, Except, Join, etc) and the MS contract regarding hashing is broken in this implementation. Here's MS's documentation excerpt: "Implementations are required to ensure that if the Equals method returns true for two objects x and y, then the ...
Reactjs: Unexpected token '
...o longer necessary.
Make sure include the JSX pragma at the top of your files:
/** @jsx React.DOM */
Without this line, the jsx binary and in-browser transformer will leave your files unchanged.
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How do pointer to pointers work in C?
...like the lockless name lookup, but simply good use of pointers-to-pointers etc.
For example, I've seen too many people who delete a singly-linked list entry by keeping track of the "prev" entry, and then to delete the entry, doing something like:
if (prev)
prev->next = entry->next;
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Difference between JVM and HotSpot?
...n of HotSpot (and many other pieces of the JDK e.g compiler, APIs, tools, etc) is developed.
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Trusting all certificates using HttpClient over HTTPS
...fferent SSL certificate, you'll need to update your app.
Create a keystore file that contains Android's "master list" of certificates, then add your own. If any of those certs expire down the road, you are responsible for updating them in your app. I can't think of a reason to do this.
Create a cu...
converting a base 64 string to an image and saving it
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You can save Base64 directly into file:
string filePath = "MyImage.jpg";
File.WriteAllBytes(filePath, Convert.FromBase64String(base64imageString));
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source command not found in sh shell
...me on the right path. I had to add SHELL := /bin/bash to the top of my Makefile.
– anon58192932
Jun 11 '19 at 15:42
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How do I change the android actionbar title and icon
...nd set the values to whatever you please.
Or, in the Android manifest XML file:
<activity android:name=".MyActivity"
android:icon="@drawable/my_icon"
android:label="My new title" />
To enable the back button in your app use:
getActionBar().setHomeButtonEnabled(true);
g...
Google Maps Android API v2 Authorization failure
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The solution is related with project structure. The google_maps_api.xml file was different between app\src\debug\res and app\src\release\res. I did manual copy paste from debug to release folder.
Now it works.
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Java Keytool error after importing certificate , “keytool error: java.io.FileNotFoundException & Acc
...following error.
Certificate was added to keystore
keytool error: java.io.FileNotFoundException: C:\Program Files\Java\jdk1.8.0_151\jre\lib\security (Access is denied)
Following solution work for me.
1) make sure you are running command prompt in Rus as Administrator mode
2) Change your current ...