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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
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I have used Systrace to sandbox untrusted programs both interactively and in automatic mode. It has a ptrace()-based backend which allows its use on a Linux system without special privileges, as well as a far faster and more poweful backend which requires patching the kernel.
It ...
is of a type that is invalid for use as a key column in an index
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A unique constraint can't be over 8000 bytes per row and will only use the first 900 bytes even then so the safest maximum size for your keys would be:
create table [misc_info]
(
[id] INTEGER PRIMARY KEY IDENTITY NOT NULL,
[key] n...
How do I remove the old history from a git repository?
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@Jez you can convert your shallow repo into normal one by running git filter-branch -- --all. This will change all hashes in it but after that you will be able to push it to a new repo
– Ed'ka
Jan 26...
SOAP server and client application VCL+indy demo for Delphi XE?
... from the WebServices folder, now updated for Delphi XE and XE2, including converting the old WAD servers into new INDY VCL servers. You'd think that was impressive, except it's not. It's really easy. Just use the wizard to create a new project, and then add the web service interface and implementa...
Unresolved external symbol on static class members
... to avoid duplicated symbols.
The only data you can declare and define is integral static constants.
(Values of enums can be used as constant values as well)
You might want to rewrite your code as:
class test {
public:
const static unsigned char X = 1;
const static unsigned char Y = 2;
...
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SQL Server - transactions roll back on error?
...RY CATCH block as follows
BEGIN TRY
BEGIN TRANSACTION
INSERT INTO myTable (myColumns ...) VALUES (myValues ...);
INSERT INTO myTable (myColumns ...) VALUES (myValues ...);
INSERT INTO myTable (myColumns ...) VALUES (myValues ...);
COMMIT TRAN -- Transaction Success...
Run PHP Task Asynchronously
...s first decoded to an array(module,controller,action,parameters), and then converted to JSON for injection to the queue itself.
A long running cli script then picked up the job from the queue, ran it (via Zend_Router_Simple), and if required, put information into memcached for the website PHP to pi...
Type definition in object literal in TypeScript
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not working. Error:(33, 15) TS2352:Type 'null' cannot be converted to type 'string'.
– slideshowp2
Jun 27 '17 at 6:53
2
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How to select only the records with the highest date in LINQ
...t support this. If query performance is out of your consideration, you can convert table ToList before you do the query.
– Will Wu
Mar 8 '13 at 9:44
8
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How to add title to subplots in Matplotlib?
...ot #{}".format(i)) # 3
Create your arbitrary number of axes
axs.ravel() converts your 2-dim object to a 1-dim vector in row-major style
assigns the title to the current axis-object
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