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Understanding the map function
...oop
ys = []
for x in xs:
ys.append(x * 2)
n-ary map is equivalent to zipping input iterables together and then applying the transformation function on every element of that intermediate zipped list. It's not a Cartesian product:
xs = [1, 2, 3]
ys = [2, 4, 6]
def f(x, y):
return (x * 2, y...
Phonegap Cordova installation Windows
...waste hours on this.
Go to github and simply download the PhoneGap master .zip
In that zip are project files for window phone, etc platform... just use those templates.
I don't know how such an easy process could have worse documentation. It as if it was written by lawyers.
...
List of tables, db schema, dump etc using the Python sqlite3 API
...e FROM sqlite_master WHERE type='table';").fetchall()
table_names = sorted(zip(*result)[0])
print "\ntables are:"+newline_indent+newline_indent.join(table_names)
for table_name in table_names:
result = cur.execute("PRAGMA table_info('%s')" % table_name).fetchall()
column_names = zip(*result...
How to get names of classes inside a jar file?
.../file.jar.
List<String> classNames = new ArrayList<String>();
ZipInputStream zip = new ZipInputStream(new FileInputStream("/path/to/jar/file.jar"));
for (ZipEntry entry = zip.getNextEntry(); entry != null; entry = zip.getNextEntry()) {
if (!entry.isDirectory() && entry.getNa...
Disable firefox same origin policy
....
If you downloaded the xpi you can jump to step 3. If you downloaded the zip from GitHub, go to step 2.
2) Building the xpi
You need to extract the zip, get inside the "cors-everywhere-firefox-addon-master" folder, select all the items and zip them.
Then, rename the created zip as *.xpi
Note: I...
How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
...
If you need to process entire directories and subdirectories, you can use zip:
zip -r -ll zipfile.zip somedir/
unzip zipfile.zip
This will create a zip archive with line endings changed from CRLF to CR. unzip will then put the converted files back in place (and ask you file by file - you can ans...
SVN needs-lock 设置强制只读属性（官方资料） - 更多技术 - 清泛网 - 专注...
...\.tiff.$ \.doc.$ \.jar.$ \.odt.$ \.pdf.$ \.ppt.$ \.swf.$ \.vsd.$ \.xls.$ \.zip.[ DISCUZ_CODE_0 ]quot; %TEMP%\tempfile%2`) do (
%SVNLOOK% propget -t %2 %1 svn:needs-lock %%i 1> nul 2> nul
if ERRORLEVEL 1 (
echo commit denied, binary files must have property svn:needs-lock >&2
...
How to get progress from XMLHttpRequest
...r.mozilla.org/en/Using_XMLHttpRequest .
Example:
My server script reads a zip file (it takes 5 seconds):
$filesize=filesize('test.zip');
header("Content-Length: " . $filesize); // set header length
// if the headers is not set then the evt.loaded will be 0
readfile('test.zip');
exit 0;
Now I ca...
Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...y, e.g. C:\Chrome\.
Extract the installer (=without installing), using 7-Zip for example. After extracting, a chrome.7z archive is
created. Also extract this file, and descend the created Chrome-bin
directory. Now, you see chrome.exe and a dir like 18.0.1025.45.
Move chrome.exe to 18.0...
How can I install a .ipa file to my iPhone simulator
... and copied it over to my desktop.
After that I changed the extension to .zip and extracted it.
Next I found the Payload folder and moved the application inside to my desktop.
Finally I moved that application to my iPhone simulators applications folder found at:
HD
> Applications
> Xcod...