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1500 questions
1905
votes
126 answers
How do I remedy "The breakpoint will not currently be hit. No symbols have been loaded for this document." warning?
A C# desktop application (on the Visual Studio Express/Community edition) worked, but then it didn't work 5 seconds later.
I tried the following:
Ensure debug configuration, debug flag, and full debug information are set on all assemblies.
Delete…
Instance Hunter
- 7,799
- 5
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1903
votes
26 answers
Detach (move) subdirectory into separate Git repository
I have a Git repository which contains a number of subdirectories. Now I have found that one of the subdirectories is unrelated to the other and should be detached to a separate repository.
How can I do this while keeping the history of the files…
matli
- 27,093
- 6
- 35
- 37
1903
votes
31 answers
How do I get PHP errors to display?
I have checked my PHP ini file (php.ini) and display_errors is set and also error reporting is E_ALL. I have restarted my Apache webserver.
I have even put these lines at the top of my script, and it doesn't even catch simple parse errors. For…
Abs
- 53,696
- 97
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1902
votes
37 answers
How do I auto-resize an image to fit a 'div' container?
How do you auto-resize a large image so that it will fit into a smaller width div container whilst maintaining its width:height ratio?
Example: stackoverflow.com - when an image is inserted onto the editor panel and the image is too large to fit…
001
- 59,081
- 87
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- 333
1901
votes
13 answers
How do you append to a file?
How do you append to the file instead of overwriting it? Is there a special function that appends to the file?
user502039
1901
votes
44 answers
How to generate a random alpha-numeric string
I've been looking for a simple Java algorithm to generate a pseudo-random alpha-numeric string. In my situation it would be used as a unique session/key identifier that would "likely" be unique over 500K+ generation (my needs don't really require…
Todd
- 3,363
- 3
- 19
- 12
1900
votes
36 answers
What is the difference between a process and a thread?
What is the technical difference between a process and a thread?
I get the feeling a word like 'process' is overused and there are also hardware and software threads. How about light-weight processes in languages like Erlang? Is there a definitive…
James Fassett
- 38,570
- 11
- 36
- 43
1899
votes
23 answers
How to check if the string is empty?
Does Python have something like an empty string variable where you can do:
if myString == string.empty:
Regardless, what's the most elegant way to check for empty string values? I find hard coding "" every time for checking an empty string not as…
Joan Venge
- 292,935
- 205
- 455
- 667
1898
votes
19 answers
How to pad zeroes to a string?
What is a Pythonic way to pad a numeric string with zeroes to the left, i.e. so the numeric string has a specific length?
Faisal
1894
votes
4 answers
How does Git handle symbolic links?
If I have a file or directory that is a symbolic link and I commit it to a Git repository, what happens to it?
I would assume that it leaves it as a symbolic link until the file is deleted and then if you pull the file back from an old version it…
Alex
- 32,390
- 10
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1893
votes
17 answers
Click through div to underlying elements
I have a div that has background:transparent, along with border. Underneath this div, I have more elements.
Currently, I'm able to click the underlying elements when I click outside of the overlay div. However, I'm unable to click the underlying…
Ryan
- 20,097
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1892
votes
53 answers
How to get a Docker container's IP address from the host
Is there a command I can run to get the container's IP address right from the host after a new container is created?
Basically, once Docker creates the container, I want to roll my own code deployment and container configuration scripts.
Murali Allada
- 19,398
- 4
- 18
- 21
1891
votes
21 answers
What's the difference between a proxy server and a reverse proxy server?
What is the difference between a proxy server and a reverse proxy server?
Vicky
1889
votes
4 answers
Inserting multiple rows in a single SQL query?
I have multiple set of data to insert at once, say 4 rows. My table has three columns: Person, Id and Office.
INSERT INTO MyTable VALUES ("John", 123, "Lloyds Office");
INSERT INTO MyTable VALUES ("Jane", 124, "Lloyds Office");
INSERT INTO MyTable…
rits
1886
votes
19 answers
What do two question marks together mean in C#?
Ran across this line of code:
FormsAuth = formsAuth ?? new FormsAuthenticationWrapper();
What do the two question marks mean, is it some kind of ternary operator?
It's hard to look up in Google.
Edward Tanguay
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