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Why JSF saves the state of UI components on server?
... to session. This is configureable with the following context param in web.xml:
<context-param>
<param-name>com.sun.faces.numberOfLogicalViews</param-name>
<param-value>15</param-value>
</context-param>
See also Mojarra FAQ for other Mojarra-specific para...
What is Java Servlet?
...know which Servlet client has requested for?
There’s a file called web.xml
This is the master file for a web container
You have information about servlet in this file-
servlets
Servlet-name
Servlet-class
servlet-mappings- the path like /Login or /Notifications is mapped here in
Servlet-...
SQLAlchemy IN clause
...rnative way is using raw SQL mode with SQLAlchemy, I use SQLAlchemy 0.9.8, python 2.7, MySQL 5.X, and MySQL-Python as connector, in this case, a tuple is needed. My code listed below:
id_list = [1, 2, 3, 4, 5] # in most case we have an integer list or set
s = text('SELECT id, content FROM myTable W...
How to prevent errno 32 broken pipe?
Currently I am using an app built in python. When I run it in personal computer, it works without problems.
4 Answers
...
An efficient way to transpose a file in Bash
...
A Python solution:
python -c "import sys; print('\n'.join(' '.join(c) for c in zip(*(l.split() for l in sys.stdin.readlines() if l.strip()))))" < input > output
The above is based on the following:
import sys
for c i...
Difference between Apache CXF and Axis
...ategy.
CXF has more configurable feature via the API instead of cumbersome XML files.
CXF has Bindings：SOAP,REST/HTTP, and its Data Bindings support JAXB 2.0,Aegis, by default it use JAXB 2.0 and more close Java standard specification.
CXF has abundant toolkits, e.g. Java to WSDL, WSDL to Java, XS...
App restarts rather than resumes
...ould be preferable to configure this
* behavior in AndroidMananifest.xml activity settings, but those settings cause drastic
* undesirable changes to the way the app opens: singleTask closes ALL other activities
* in the task every time and alwaysRetainTaskState doesn't cover this ca...
How do I perform the SQL Join equivalent in MongoDB?
...
$unwind - because data is denormalised correctly, else wrapped in arrays
Python code..
db.LeftTable.aggregate([
# connect all tables
{"$lookup": {
"from": "RightTable",
"localField": "ID",
...
How can I access Google Sheet spreadsheets only with Javascript?
...recipes" (JSON payloads) for core API requests
If you're not "allergic" to Python (if you are, just pretend it's pseudocode ;) ), I made several videos with more "real-world" samples of using the API you can learn from and migrate to JS if desired (NOTE: even though it's Python code, most API reques...
How do you log server errors on django sites
...
Note that using logging.exception('Some message') with python's standard logging module works just fine in a sginal handler for got_request_exception, if all you are looking to do is log out stack traces. In other words, the traceback is still available in got_request_exception....