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What are forward declarations in C++?
...hat you expected.
So, just to keep things explicit and avoid the guessing etc, the compiler insists you declare everything before it is used.
Difference between declaration and definition
As an aside, it's important to know the difference between a declaration and a definition. A declaration jus...
ORA-01882: timezone region not found
...ass.forName("oracle.jdbc.driver.OracleDriver");
conn = DriverManager.getConnection("jdbc:oracle:thin:@127.0.0.1:1521:tap", "username", "pw");
return conn;
}
new Code:
public Connection getOracle() throws Exception {
TimeZone timeZone = TimeZone.getTimeZone("Asia/Kolkata");
Ti...
Remove all unused resources from an android project
I want to remove all unused layouts, strings, drawables, colors, etc from my Android res directory. Are there any tools that will give me a list of files and I can remove from my repository and elements within specifics files (e.g. unused string entries) that are no longer used?
...
nginx: [emerg] could not build the server_names_hash, you should increase server_names_hash_bucket_s
...hash_bucket_size 64;
at the top of your http block (probably located in /etc/nginx/nginx.conf). I quote from the nginx documentation what to do when this error appears: In this case, the directive value should be increased to the next power of two. So in your case it should become 64.
If you still...
open read and close a file in 1 line of code
...re information.
>>> from pathlib import Path
>>> (Path("/etc") / "hostname").read_text()
'dev1.example\n'
On Python 27 install backported pathlib or pathlib2
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Managing CSS Explosion
...he QA page example again:
#navigation
#question
#answers
#answers .answer
etc.
By splitting the page into components, you split your work into manageable units.
Put rules with a cumulative effect on the same line.
For example border, margin and padding (but not outline) all add to the dimension...
Calling a JavaScript function named in a variable [duplicate]
...ction exists on the page by having been loaded in and placed using $.ajax, etc.
4 Answers
...
Is there a 'box-shadow-color' property?
...theme1.scss:
$theme-primary-color: #a00;
$theme-secondary-color: #d00;
// etc.
_theme2.scss:
$theme-primary-color: #666;
$theme-secondary-color: #ccc;
// etc.
styles.scss:
// import whichever theme you want to use
@import 'theme2';
-webkit-box-shadow: inset 0px 0px 2px $theme-primary-color;
...
How to upload files to server using JSP/Servlet?
...re using at least Servlet 3.0 (Tomcat 7, Jetty 9, JBoss AS 6, GlassFish 3, etc), then you can just use standard API provided HttpServletRequest#getPart() to collect the individual multipart form data items (most Servlet 3.0 implementations actually use Apache Commons FileUpload under the covers for ...
Difference between an application server and a servlet container?
...difference between a full fledged application server (e.g. Weblogic, JBoss etc.) and a servlet container (Tomcat, Jetty etc.).
...