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Specifying and saving a figure with exact size in pixels
...n terms of 96 dpi - multiples of 96. Suddenly numbers like 1440 pixels are meaningful (15 inches) when thought of like this.
– Danny Staple
May 8 '14 at 15:28
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Is git-svn dcommit after merging in git dangerous?
...elete, but git svn dcommit rewrites the git commit that you give it. This means that you lose its other parent, and now your git repo has no record that you ever merged that branch into master. This can also leave your working directory in an inconsistent state.
– rescdsk
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What is a message pump?
...el, by far the most common ones (including Office) use "Apartment". Which means that the only safe way to call an interface method is by making the call from the same thread that created the class object. Or to put it another way: by far most COM classes are not thread-safe.
Every COM enabled thr...
Load image from url
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this is great. @Sofija what did you mean with cleanup? what if you have unknown number of pictures?
– 5er
Dec 7 '13 at 23:03
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XPath to select multiple tags
...wers and nobody has bothered to explain. What does "namespace restrictive" mean? If I use local-name(), does that mean it would match tags with any namespace? If I use self::, what namespace would it have to match? How would I match only OhMy:c?
– meustrus
Jan ...
What's the fastest way to loop through an array in JavaScript?
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Im guessing @jondavidjohn that what you mean by 'my answer below' is 'my answer above' lol.
– Shanimal
Dec 28 '16 at 0:47
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Can a Windows batch file determine its own file name?
...that 0 is a special case of parameter numbers inside a batch file, where 0 means this file as given on the command line.
So if the file is myfile.bat, you could call it in several ways as follows, each of which would give you a different output from the %0 or %~0 usage:
myfile
myfile.bat
mydir\m...
Android: upgrading DB version and adding new table
..., int oldVersion, int newVersion) {
if (oldVersion < 2) {
//means old version is 1
Migration migration = new MigrationV1ToV2();
migration.run(db);
}
if (oldVersion < 3) {
//means old version is 2
}
}
Note: All upgrades (mentioned in onUpgrad...
How to get file creation & modification date/times in Python?
...ust in case anyone misses @Glyph's comment to the question, ctime does not mean creation time on POSIX systems. I wonder how many people have skimmed this post over the past three years and gone on to write buggy code.
– kojiro
Nov 7 '11 at 20:37
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If table exists drop table then create it, if it does not exist just create it
...result of CREATE ... and do not continue in
case of error, because failure means that other thread didn't finish
the same script: either because it crashed in the middle or just
didn't finish yet -- it's a good idea to inspect things by yourself.
Then, you should check the result of first RENAME ......