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Insert text with single quotes in PostgreSQL
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String literals
Escaping single quotes ' by doubling them up -> '' is the standard way and works of course:
'user's log' -- incorrect syntax (unbalanced quote)
'user''s log'
In old versions or if you still run with standard...
When to use thread pool in C#? [closed]
...ing to learn multi-threaded programming in C# and I am confused about when it is best to use a thread pool vs. create my own threads. One book recommends using a thread pool for small tasks only (whatever that means), but I can't seem to find any real guidelines. What are some considerations you us...
Importing Maven project into Eclipse
I want to import existing Maven project into Eclipse. I found 2 ways to do it:
8 Answers
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UITextField text change event
...e delegate method shouldChangeCharactersInRange works for something, but it did not fulfill my need exactly. Since until it returns YES, the textField texts are not available to other observer methods.
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C/C++ maximum stack size of program
... assuming worst case, depth of recursive function calls can go upto 10000 with each call taking upto say 20 bytes. So is it feasible means is there a possibility of stackoverflow?
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How do you usually Tag log entries? (android)
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I use a TAG, but I initialise it like this:
private static final String TAG = MyActivity.class.getName();
This way when I refactor my code the tag will also change accordingly.
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Android emulator shows nothing except black screen and adb devices shows “device offline”
...mand emulator @A2 , an emulator comes up on the screen. But even after waiting for as long as 2-3 hrs, all it shows is a black screen. Not even the android home screen or the android logo. Just a black screen. And while initially "adb devices" shows the emulator as offline.after 2-3 minutes the li...
.keyCode vs. .which
...ght this would be answered somewhere on Stack Overflow, but I can’t find it.
7 Answers
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What is the bower (and npm) version syntax?
...yntax of SemVer as used in Bower and NPM on the API for the semver parser within Node/npm. You can learn more about the underlying spec (which does not mention ~ or other syntax details) at semver.org.
There's a super-handy visual semver calculator you can play with, making all of this much easier ...
React.js: Identifying different inputs with one onChange handler
... Also, you don't need to keep "total" as a separate value in state because it is composable by adding other values in your state:
var Hello = React.createClass({
getInitialState: function() {
return {input1: 0, input2: 0};
},
render: function() {
const total = this.state...