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How do PHP sessions work? (not “how are they used?”)
Session files are usually stored in, say, /tmp/ on the server, and named sess_{session_id} . I have been looking at the contents and cannot figure out how they really work.
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Http Basic Authentication in Java using HttpClient?
...e: Base64 - download and put it in your package).
and make a download of a file (image, doc, etc.) with authentication and write to local disk
Example:
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStrea...
Set default CRAN mirror permanent in R
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You can set repos in your .Rprofile to restore your choice every time you start R
Edit: to be more precise:
Add
options(repos=structure(c(CRAN="YOUR FAVORITE MIRROR")))
to your .Rprofile
Alternatively, you can set the mirror site-wide in your Rpro...
Sublime - delete all lines containing specific value
I have a 900mb log file which I can open in SublimeText 3. This file is bloated with lines similar to the following.
7 Answ...
How to declare string constants in JavaScript? [duplicate]
... = "Hello World";
I'm not sure what you mean by store them in a resource file; that's not a JavaScript concept.
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NSLog the method name with Objective-C in iPhone
...CE %@ METHOD %s:%d.", [NSString stringWithFormat:@"'Table of Contents.txt' file's count of Linefeed-delimited rows: %u.", [rows count]] , __func__, __LINE__ );
Preprocessor macros for logging
Note the use of a pair of underscore characters around both sides of the macro.
| Macro ...
Remove DEFINER clause from MySQL Dumps
...ing DEFINERs to the dump. But there are ways to remove them after the dump file is created.
Open the dump file in a text editor and replace all occurrences of DEFINER=root@localhost with an empty string ""
Edit the dump (or pipe the output) using perl:
perl -p -i.bak -e "s/DEFINER=\`\w.*\`@\`\d[0...
C++ Build Systems - What to use? [closed]
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But, the "richest" and "most-scalable" is probably CMake, which is a Makefile-generator (also generates native MSVC++ *.proj/*.sln). Weird syntax, but once you learn it, it can allow you to nicely generate builds for different platforms. If I "started-fresh", I'd probably use CMake. It should h...
How to add items to a spinner in Android?
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XML file:
<Spinner
android:id="@+id/Spinner01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
Java file:
public class SpinnerExample extends Activity {
@Override
public v...
How to read data when some numbers contain commas as thousand separator?
I have a csv file where some of the numerical values are expressed as strings with commas as thousand separator, e.g. "1,513" instead of 1513 . What is the simplest way to read the data into R?
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