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How can I use mySQL replace() to replace strings in multiple records?
...g with sample string:
UPDATE some_table SET some_field = REPLACE("this is test string", 'test', 'sample')
EG with Column/Field Name:
UPDATE some_table SET some_field = REPLACE(columnName, 'test', 'sample')
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Duplicate and rename Xcode project & associated folders [closed]
....plist, but there may be more.
If you are using any third party libraries (Testflight/Hockeyapp/etc) you will also need to search for 'Library Search Paths' and rename any occurrences of the old file name here too.
Repeat this process for any unit test source code folders your project may contain, t...
How to use Namespaces in Swift?
...ork).
My experience is that Swift therefore is not namespaced in the slightest. In turning one of my apps from Objective-C to Swift, I created an embedded framework because it was so easy and cool to do. Importing the framework, however, imports all the Swift stuff in the framework - so presto, onc...
Getting attributes of a class
...
Try the inspect module. getmembers and the various tests should be helpful.
EDIT:
For example,
class MyClass(object):
a = '12'
b = '34'
def myfunc(self):
return self.a
>>> import inspect
>>> inspect.getmembers(MyClass, lambda a:not(in...
What is the difference between the GNU Makefile variable assignments =, ?=, := and +=?
...efile*/
x := foo
y := $(x) bar
x := later
a = foo
b = $(a) bar
a = later
test:
@echo x - $(x)
@echo y - $(y)
@echo a - $(a)
@echo b - $(b)
make test prints:
x - later
y - foo bar
a - later
b - later bar
Check more elaborate explanation here
...
Difference between API and ABI
...d break.
There are two ways to programmatically check the contract API:
test a bunch of corner cases. Easy to do, but you might always miss one.
formal verification. Harder to do, but produces mathematical proof of correctness, essentially unifying documentation and tests into a "human" / machine...
Escape double quotes in a string
...atim string literals as you have, or escape the " using backslash.
string test = "He said to me, \"Hello World\" . How are you?";
The string has not changed in either case - there is a single escaped " in it. This is just a way to tell C# that the character is part of the string and not a string ...
Is .NET/Mono or Java the better choice for cross-platform development? [closed]
...Microsoft implementation of Mono on Windows. This means that I develop and test on Mono first. This works wonderfully.
If both Java and .NET (Mono let's say) were Open Source projects without any corporate backing, I would choose Mono over Java every time. I believe it is just a better platform.
B...
What should every programmer know about security? [closed]
...f a security expert and/or cryptographer, always use a well-designed, well-tested, and mature security platform, framework, or library to do the work for you. These things have spent years being thought out, patched, updated, and examined by experts and hackers alike. You want to gain those advantag...
How to check if a file exists in a folder?
... log.Info(fi.Exists);
or File.Exists Method:
string curFile = @"c:\temp\test.txt";
Console.WriteLine(File.Exists(curFile) ? "File exists." : "File does not exist.");
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