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How to wait until an element exists?
...
Here is a core JavaScript function to wait for the display of an element.
Parameters:
selector: This function looks for the element ${selector}
time: This function checks whether this element exists every ${time} milliseconds.
fun...
How to delete all data from solr and hbase
... clean up Solr index -
you can fire http url -
http://host:port/solr/[core name]/update?stream.body=<delete><query>*:*</query></delete>&commit=true
(replace [core name] with the name of the core you want to delete from). Or use this if posting data xml data:
<d...
How can I configure Logback to log different levels for a logger to different destinations?
... to stdout.
logback.xml
<appender name="stdout" class="ch.qos.logback.core.ConsoleAppender">
<target>System.out</target>
<filter class="com.foo.StdOutFilter" />
...
</appender>
<appender name="stderr" class="ch.qos.logback.core.ConsoleAppender">
<ta...
if else statement in AngularJS templates
... This is an absolute lifesaver. This should be part of Angular core, it's indispensable in template coding. Way cleaner than having ternary operators all over the place, and overcomes the limitations of ng-switch not being able to evaluate expressions.
– Nico Wester...
Eclipse JUNO doesn't start
...
that fixed it for me:
rm YOUR_WORKSPACE/.metadata/.plugins/org.eclipse.core.resources/.snap
credit:
http://www.metod.si/job-found-still-running-after-platform-shutdown-eclipse/
share
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improve...
Best way to implement Enums with Core Data
What is the best way to bind Core Data entities to enum values so that I am able to assign a type property to the entity? In other words, I have an entity called Item with an itemType property that I want to be bound to an enum, what is the best way of going about this.
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Separation of business logic and data access in django
...lot of work
no, that's just awesome!
In short, you could have
yourapp/core/backends.py
yourapp/core/models/__init__.py
yourapp/core/models/users.py
yourapp/core/models/questions.py
yourapp/core/backends.py
yourapp/core/forms.py
yourapp/core/handlers.py
yourapp/core/management/commands/__init__....
to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
...antage of all the OO mechanisms that should things easier to maintain. Use Core Graphics when you can't get the performance you need out of UIKit, or you know trying to hack together drawing effects in UIKit would be more complicated.
The general workflow should be to build the tableviews with sub...
ORACLE 启动提示 内存不足 OUTOF MEMORY - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...0 128
fs.file-max = 65536
net.ipv4.ip_local_port_range = 1024 65000
net.core.rmem_default=262144
net.core.rmem_max=262144
net.core.wmem_default=262144
net.core.wmem_max=262144
在ORACEL 用户下
输入 su - root
敲入密码
输入 gedit /etc/sysctl.conf
修改为
#kernel.shm...
How to use JUnit and Hamcrest together?
...s. There are some matchers defined inside junit-4.8.jar in org.hamcrest.CoreMatchers . At the same time there are some other matchers in hamcrest-all-1.1.jar in org.hamcrest.Matchers . So, where to go? Shall I explicitly include hamcrest JAR into the project and ignore matchers provided by J...