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Java Synchronized Block for .class
...hread can be in this block.
With synchronized(this) the block is guarded by the instance. For every instance only one thread may enter the block.
synchronized(X.class) is used to make sure that there is exactly one Thread in the block. synchronized(this) ensures that there is exactly one thread p...
How to template If-Else structures in data-bound views?
...emplates works great, and it supports if elseif elseif else type scenarios by nesting the terniary operator.
– user1228
Nov 7 '14 at 19:16
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Migrating from JSF 1.2 to JSF 2.0
...f the migration approach, you can gradually eliminate the faces-config.xml by the new JSF 2.0 annotations or even CDI. Any <managed-bean> can be annotated by @ManagedBean:
@ManagedBean(name="managedBeanName")
@RequestScoped
public class SomeBean {}
Next to @RequestScoped, there are also @Vi...
What are the differences between GPL v2 and GPL v3 licenses? [closed]
...mplex legal document, it was designed to be read and reasonably understood by software developers. There is also a guide to understanding it and an in depth discussion of the changes from v2 to v3 at http://copyleft.org/guide/.
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Xcode 4 - build output directory
...ed data location (recommended)
Place build products in locations specified by targets
Update:
On xcode 4.6.2 you need to click the advanced button on the right side below the derived data text field. Build Location select legacy.
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How to get a tab character?
...type in to your text editor), all tab characters are treated as whitespace by HTML parsers and collapsed into a single space except those within a <pre> block, where literal tabs will be rendered as 8 spaces in a monospace font.
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How can I delete multiple lines in vi?
...d for use in normal mode (prefix with : for command mode).
Tested in Vim.
By line amount:
numdd - will delete num lines DOWN starting count from current cursor position (e.g. 5dd will delete current line and 4 lines under it => deletes current line and (num-1) lines under it)
numdk - will dele...
Mercurial: how to amend the last commit?
...contains the changes in the parent in addition to those currently reported by hg status, if there are any. The old commit is stored in a backup bundle in .hg/strip-backup (see hg help bundle and hg help unbundle on how to restore it).
Message, user and date are taken from the amended commit unless s...
Should I use tag for icons instead of ? [closed]
... These websites have millions of pages viewed each day. If they save 100 bytes of data each time a client request a page with this practice, they save a significant amount of bandwidth.
– Dalmas
Jun 21 '12 at 9:40
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Sending a notification from a service in Android
... "NotificationReceiver" is the Activity that will be opened by the Notification. Check the link provided by @StarWind0 .
– George Theodorakis
May 21 '18 at 12:58
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