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Github: readonly access to a private repo
...oo bad you've got to pay $25/mo for that feature. For a small site, that $300/yr can pay for a lot of hosting elsewhere. Thanks @Trindaz
– Joseph Lust
Apr 30 '14 at 15:21
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Likelihood of collision using most significant bits of a UUID in Java
...east significant half. So the most significant half of your UUID contains 60 bits of randomness, which means you on average need to generate 2^30 UUIDs to get a collision (compared to 2^61 for the full UUID).
So I would say that you are rather safe. Note, however that this is absolutely not true fo...
Most efficient way to concatenate strings in JavaScript?
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edited Apr 24 '18 at 9:20
answered May 22 '13 at 16:16
Ja...
What is the difference between String.slice and String.substring?
...nts.
If either argument is negative or is NaN, it is treated as if it were 0.
Distinctions of slice():
If start > stop, slice() will return the empty string. ("")
If start is negative: sets char from the end of string, exactly like substr() in Firefox. This behavior is observed in both Firefo...
Does MySQL foreign_key_checks affect the entire database?
..." for scope. This means it can be set for session:
SET FOREIGN_KEY_CHECKS=0;
or globally:
SET GLOBAL FOREIGN_KEY_CHECKS=0;
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Object.getOwnPropertyNames vs Object.keys
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edited Jul 20 at 18:26
Scott Enock
611010 bronze badges
answered Mar 26 '14 at 10:47
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How to change column datatype from character to numeric in PostgreSQL 8.4
...nding on your data):
alter table presales alter column code type numeric(10,0) using code::numeric;
-- Or if you prefer standard casting...
alter table presales alter column code type numeric(10,0) using cast(code as numeric);
This will fail if you have anything in code that cannot be cast to num...
Updating and committing only a file's permissions using git version control
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edited Jun 12 '19 at 21:07
Dan Anderson
1,97211 gold badge55 silver badges1818 bronze badges
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overlay two images in android to set an imageview
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Resources r = getResources();
Drawable[] layers = new Drawable[2];
layers[0] = r.getDrawable(R.drawable.t);
layers[1] = r.getDrawable(R.drawable.tt);
LayerDrawable layerDrawable = new LayerDrawable(layers);
testimage.setImageDrawable(layerDrawable);
(I haven't tested this code so there may be a m...
Mongo: find items that don't have a certain field
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edited Aug 11 '16 at 18:02
Somnath Muluk
43.6k2828 gold badges198198 silver badges212212 bronze badges
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