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How to create a link to a directory [closed]

How to create a link xxx to /home/jake/doc/test/2000/something/ ? 2 Answers 2 ...
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How do I write a Python dictionary to a csv file? [duplicate]

...ceptions occur. Example with these changes made: import csv my_dict = {"test": 1, "testing": 2} with open('mycsvfile.csv', 'wb') as f: # Just use 'w' mode in 3.x w = csv.DictWriter(f, my_dict.keys()) w.writeheader() w.writerow(my_dict) Which produces: test,testing 1,2 ...
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How to create user for a db in postgresql? [closed]

... From CLI: $ su - postgres $ psql template1 template1=# CREATE USER tester WITH PASSWORD 'test_password'; template1=# GRANT ALL PRIVILEGES ON DATABASE "test_database" to tester; template1=# \q PHP (as tested on localhost, it works as expected): $connString = 'port=5432 dbname=test_databa...
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Testing for empty or nil-value string [duplicate]

I'm trying to set a variable conditionally in Ruby. I need to set it if the variable is nil or empty (0 length string). I've come up with the following: ...
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所有的道路都通向天堂 只是要度过路上的痛苦时光 那一天我正走在路上 两边的荒草,比人还高   ——海子,《月全食》
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What does the star operator mean, in a function call?

...ou want to 'store' a function call. For example, suppose I have some unit tests for a function 'add': def add(a, b): return a + b tests = { (1,4):5, (0, 0):0, (-1, 3):3 } for test, result in tests.items(): print 'test: adding', test, '==', result, '---', add(*test) == result There is no other...
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jQuery validate: How to add a rule for regular expression validation?

...r re = new RegExp(regexp); return this.optional(element) || re.test(value); }, "Please check your input." ); now all you need to do to validate against any regex is this: $("#Textbox").rules("add", { regex: "^[a-zA-Z'.\\s]{1,40}$" }) Additionally, it looks like there...
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Determine if running on a rooted device

...uild.TAGS; return buildTags != null && buildTags.contains("test-keys"); } private static boolean checkRootMethod2() { String[] paths = { "/system/app/Superuser.apk", "/sbin/su", "/system/bin/su", "/system/xbin/su", "/data/local/xbin/su", "/data/local/bin/su", "/syste...
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How to test if one java class extends another at runtime?

How to I test if a is a subclass of b ? 3 Answers 3 ...
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Insert text with single quotes in PostgreSQL

I have a table test(id,name) . 7 Answers 7 ...