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Commands out of sync; you can't run this command now
I am trying to execute my PHP code, which calls two MySQL queries via mysqli, and get the error "Commands out of sync; you can't run this command now".
...
Get everything after the dash in a string in javascript
... Isn't it worth mentioning that this function won't work if the string is sometext-20202-303 ?
– Istiaque Ahmed
Jan 24 '14 at 16:01
18
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How to change current working directory using a batch file
...st like the commands themselves (CD = cd). I believe that is also true for all external Windows command-line utilities (like FINDSTR, SORT etc.) Third-party tools, on the other hand, can use case-sensitive parameters.
– Andriy M
Feb 28 '17 at 13:36
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Rails Observer Alternatives for 4.0
With Observers officially removed from Rails 4.0 , I'm curious what other developers are using in their place. (Other than using the extracted gem.) While Observers were certainly abused and could easily become unwieldily at times, there were many use-cases outside of just cache-clearing where they...
Java 8 Lambda function that throws exception?
I know how to create a reference to a method that has a String parameter and returns an int , it's:
25 Answers
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How do I get a platform-dependent new line character?
...to the line.separator property, if you are using java 1.5 or later and the String.format (or other formatting methods) you can use %n as in
Calendar c = ...;
String s = String.format("Duke's Birthday: %1$tm %1$te,%1$tY%n", c);
//Note `%n` at end of line ^^
String ...
Convert HTML to PDF in .NET
... nuget package.
Use Example Method.
public static Byte[] PdfSharpConvert(String html)
{
Byte[] res = null;
using (MemoryStream ms = new MemoryStream())
{
var pdf = TheArtOfDev.HtmlRenderer.PdfSharp.PdfGenerator.GeneratePdf(html, PdfSharp.PageSize.A4);
pdf.Save(ms);
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XML Schema minOccurs / maxOccurs default values
...xs:sequence>
<xs:element name="countryName" type="xs:string"/>
<xs:element name="capital" type="xs:string"/>
<xs:element name="nationalLanguage" type="xs:string"/>
<xs:element name="population" type="xs:double"/&...
Mocking vs. Spying in mocking frameworks
...er.class)
public class MockSpyExampleTest {
@Mock
private List<String> mockList;
@Spy
private List<String> spyList = new ArrayList();
@Test
public void testMockList() {
//by default, calling the methods of mock object will do nothing
mockList.ad...
What is a magic number, and why is it bad? [closed]
...le, if you have (in Java):
public class Foo {
public void setPassword(String password) {
// don't do this
if (password.length() > 7) {
throw new InvalidArgumentException("password");
}
}
}
This should be refactored to:
public class Foo {
pu...