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Check whether a string is not null and not empty
...d to str.isBlank() which will also test for other Unicode white spaces)
Wrapped in a handy function:
public static boolean empty( final String s ) {
// Null-safe, short-circuit evaluation.
return s == null || s.trim().isEmpty();
}
Becomes:
if( !empty( str ) )
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How to print the ld(linker) search path
... armv7s arm64 i386 x86_64 armv6m armv7m armv7em
Library search paths:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/lib
Framework search paths:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX1...
How to lock compiled Java classes to prevent decompilation?
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+1 for "Locks are for animals". I guess the appropriate term here would be script kiddies.
– Antimony
Apr 1 '13 at 2:11
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C# Ignore certificate errors?
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This is even more useful than it may at first appear. I ran into the OP's problem while using Managed Exchanged Web Services (EWS). I thought that I could not use this answer since I didn't have access to the low-level SOAP calls that were being made by that managed li...
Deciding between HttpClient and WebClient
Our web app is running in .Net Framework 4.0. The UI calls controller methods through ajax calls.
7 Answers
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Android gradle: buildtoolsVersion vs compileSdkVersion
...rder to pick up new/better compiler while not changing what you build your app against.
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What's the difference between REST & RESTful
...presentation of it is. The most common example is a pure HTML server based app (no javascript). The browser knows nothing about the application itself but through links and resources, the server is able transfer the state of the application to the browser. Where a button would normally change a stat...
Firefox 'Cross-Origin Request Blocked' despite headers
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In my case I had an angular app making calls to another server, with both using internally signed certificates. However, Firefox doesn't automatically trust the cert because it isn't recognized by a public authority. So I needed to make sure the certs f...
Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:
...enerate PDF report. To generate PDF file I am using a third party dll. The application is running in my Windows XP platform. When I deployed the service in Windows Server 2008 64 bit version, I got this error:
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Is there replacement for cat on Windows
... strange to me that this is not the accepted answer, given the apparent issues with type outlined in the comments on the accepted answer... unless this solution has similar drawbacks but is not popular enough for people to note 'em!
– Jony Thrive
Ju...