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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
In JavaScript you can declare a variable and if it’s undefined , you can check variable == undefined ; I know that, but how can you compare a value that you don’t know yet if it’s in memory?
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How do I read a text file of about 2 GB? [duplicate]
...the fast, smart log explorer.
I have opened log file of size around 2 GB, and the search is also very fast.
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Convert Enum to String
... This deserves more attention. The obvious limitation notwithstanding, i.e. the requirement for compile-time input. In my opinion this should be preferred whenever possible. 'Rename' and 'find all references' take it into account as well, potentially avoiding magic strings and duplicate ...
What's the best way to develop a sideswipe menu like the one in Facebook's new iOS app?
...ed into each iPhone app. Facebook has included it in their latest version and the new Gmail app appears to include it as well . I was wondering if anybody had thoughts on the most efficient way of developing something like this as it's becoming a more common interface element. While I have my o...
How can my iphone app detect its own version number?
... is stored in the kRevisionNumber constant. I can then access the version and revision number using something similar to the following:
[NSString stringWithFormat:@"Version %@ (%@)", [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"], kRevisionNumber]
which will create a st...
How to validate a url in Python? (Malformed or not)
I have url from the user and I have to reply with the fetched HTML.
10 Answers
10
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How to reverse a string in Go?
...w they force you to think about encodings.
– György Andrasek
Nov 18 '09 at 9:46
10
off-topic: wh...
Temporarily disable some plugins using pathogen in vim.
...rbert is better suited for my situation, since I do have a lot of ftplugin and such. Thanks for answering, your solution is goign to be used in boxes I can't have pathogen installed.
– Somebody still uses you MS-DOS
Nov 25 '10 at 13:42
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Bash script - variable content as a command to run
I have a Perl script that gives me a defined list random numbers that correspond to the lines of a file. Next I want to extract those lines from the file using sed .
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How do I enable C++11 in gcc?
...th a capital M). To automatically compile your code just type the make command in a terminal. You may have to install make.
Here's a simple one :
CXX=clang++
CXXFLAGS=-g -std=c++11 -Wall -pedantic
BIN=prog
SRC=$(wildcard *.cpp)
OBJ=$(SRC:%.cpp=%.o)
all: $(OBJ)
$(CXX) -o $(BIN) $^
%.o: %.c...