Can a shell command be sent to xargs?

Can a shell command be sent to xargs? Any output, generated from any shell command, can be sent to xargs for it to be processed further into another command line. Learn to harness this great power of xargs today! Which is the best example of xargs in Linux? 1. The first example shows how to […]

How to create multiple dependent drop-downs using array?

How to create multiple dependent drop-downs using array? What I mean by multiple dependent drop-downs is: When selecting an item from the first drop-down, the following drop-downs would show only relevant items based on your selection. Creating dependent drop-down lists in excel could be easy if done using VBA, but it becomes trickier to do […]

How to deploy multiple apps in Cloud Foundry?

How to deploy multiple apps in Cloud Foundry? To deploy multiple apps with a manifest: Note: Each app must be in a subdirectory under the same parent directory. Create a manifest.yml file in the directory that contains the apps. Add each app and its directory to the file. CF pushes the apps in the order […]

When to use the callee property in JavaScript?

When to use the callee property in JavaScript? The arguments.callee property refers the currently executing function. It is available only within the body of a function. In the following web document arguments.callee property is used to calculate the factorial of a number calling the factorial () function. How are objects and properties related in JavaScript? […]

How to get dataannotation display name in C #?

How to get dataannotation display name in C #? How to get DataAnnotation Display Name? I have EF model class. for that I created MetadataType for that partial class. Now I need to read or get all of these displayname of the properties of the object from c#. So I can use the in Excel […]

How do I test persistence xml?

How do I test persistence xml? The long way of doing this is: Create a Factory that will read your persistence-test. xml and render a Map properties, and. Call Persistence. createEntityManagerFactory(persistenceUnitName, Map properties) . That way, it reads from the properties map instead of it reading from persistence. xml . What is a persistence xml? […]

What does asterisk do when it receives a SIP INVITE?

What does asterisk do when it receives a SIP INVITE? When Asterisk receives an INVITE via SIP (a call coming intoAsterisk, whether from the outside world or from your desk phone) Asterisk tries to match the call to an entry in sip.conf to determine what it should do with the call.   The type=xxxline controls […]

Can a RTMP stream be converted to FLV?

Can a RTMP stream be converted to FLV? For server side, rtmp stream is converted into flv because rtmp is almost the only method used to push stream now. For client side, playing flv stream is the same as playing flv video from a static server. Of course, a player that supports flv is needed. […]

How do you replace words in a sentence?

How do you replace words in a sentence? Find and replace text Go to Home > Replace or press Ctrl+H. Enter the word or phrase you want to locate in the Find box. Enter your new text in the Replace box. Select Find Next until you come to the word you want to update. Choose […]

How to insert images into a RichTextBox control?

How to insert images into a RichTextBox control? To use the code, simply add a reference to the control, put a normal RichTextBox into the form and then replace the type for MyExtRichTextBox: I update objects by creating an array of controls (buttons and progress bars) and adding a timer to the form, then calling […]